Caps, Plugs & Stoppers

Compare part numbers, manufacturers and available catalog specifications. Open a product for complete details, pricing and availability.

  • Y1/4N

    Essentra | Richco
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    Thread Size
    1/4 in NPT
    Material
    Low Density Polyethylene
    Color
    Natural
    Cap Type
    Push-Fit
    Inner Diameter
    0.531 in
  • Y1/8A

    Essentra | Richco
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    Thread Size
    1/8 in NPT
    Material
    Low Density Polyethylene
    Color
    Blue
    Overall Height
    0.319 in
    Cap Type
    Push-Fit
    Inner Diameter
    0.386 in
  • Y1/8B

    Essentra | Richco
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    Thread Size
    1/8 in NPT
    Material
    Low Density Polyethylene
    Color
    Natural
    Cap Type
    Push-Fit
    Inner Diameter
    0.386 in
  • Y1A

    Essentra | Richco
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    Thread Size
    1 in
    Material
    Polyethylene
    Color
    Blue
    Overall Height
    0.783 in
    Inner Diameter
    1.305 in
  • Y1B

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Inner Diameter
    1.305 in
  • Y2-1/2N

    Essentra | Richco
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    Thread Size
    2-1/2 in NPT
    Material
    Low Density Polyethylene
    Color
    Natural
    Cap Type
    Push-Fit
    Inner Diameter
    2.85 in
  • Y2A

    Essentra | Richco
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    Thread Size
    2 in
    Material
    Polyethylene
    Color
    Blue
    Overall Height
    0.89 in
    Inner Diameter
    2.339 in
  • Y2B

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Inner Diameter
    2.339 in
  • Y3-1/2N

    Essentra | Richco
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    Thread Size
    3-1/2 in NPT
    Material
    Low Density Polyethylene
    Color
    Natural
    Cap Type
    Push-Fit
    Inner Diameter
    3.98 in
  • Y3/4A

    Essentra | Richco
    View product details
    Thread Size
    3/4 in NPT
    Material
    Low Density Polyethylene
    Color
    Blue
    Overall Height
    0.63 in
    Cap Type
    Push-Fit
    Inner Diameter
    1.031 in
  • Y3/4D

    Essentra | Richco
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    Thread Size
    3/4 in NPT
    Material
    Low Density Polyethylene
    Color
    Natural
    Cap Type
    Push-Fit
    Inner Diameter
    1.033 in
  • Y3/8A

    Essentra | Richco
    View product details
    Thread Size
    3/8 in NPT
    Material
    Low Density Polyethylene
    Color
    Blue
    Overall Height
    0.492 in
    Cap Type
    Push-Fit
    Inner Diameter
    0.665 in
  • Y3/8B

    Essentra | Richco
    View product details
    Thread Size
    3/8 in NPT
    Material
    Low Density Polyethylene
    Color
    Natural
    Cap Type
    Push-Fit
    Inner Diameter
    0.665 in
  • Y3N

    Essentra | Richco
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    Thread Size
    3 in
    Material
    Polyethylene
    Color
    Natural
    Inner Diameter
    3.475 in
  • Y4N

    Essentra | Richco
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    Thread Size
    4 in
    Material
    Polyethylene
    Color
    Natural
    Inner Diameter
    4.48 in
  • Y5N

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Inner Diameter
    5.535 in
  • Y6N

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Inner Diameter
    6.6 in
  • 010A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.39 to 046 in
    Overall Height
    0.393 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.375 in
  • USB0A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Natural
    Cap Type
    USB Cap
    Resistance Properties
    Contaminants Resistant, Impact Resistant
  • 011A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.42 to 0.485 in
    Overall Height
    0.375 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.356 to 0.421 in
  • 023A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.69 to 0.785 in
    Overall Height
    0.625 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.625 to 0.724 in
  • 044A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.165 to 1.292 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    1.090 to 1.205 in
  • 066A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    2.062 to 2.253 in
    Overall Height
    1.031 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    2.000 to 2.175 in
  • 067A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    2.156 to 2.355 in
    Overall Height
    .1 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    2.084 to 2.288 in
  • 076A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    2.457 to 2.75 in
    Overall Height
    .1 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    2.392 to 2.685 in
  • 15164B

    Essentra | Richco
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    Material
    Plastic
    Color
    Black
    Hole Diameter
    0.968 in
    Plug Type
    Blanking
  • Material
    Polyvinyl Chloride
    Color
    Black
    Overall Height
    0.5 in
    Resistance Properties
    Abrasion Resistant, Impact Resistant
  • 042A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.11 to 1.225 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    1.038 to 1.18 in
  • CP23A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Orange
    Hole Diameter
    0.691 to 0.787 in
    Plug Type
    Center Pull-Tab
  • 001A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.115 to 018 in
    Overall Height
    0.406 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.115 in
  • 002A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.175 to 024 in
    Overall Height
    0.375 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.109 to 0.175 in
  • 003A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.209 to 0.268 in
    Overall Height
    0.375 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.127 to 0.193 in
  • 004A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.209 to 0.275 in
    Overall Height
    0.375 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.150 to 0.209 in
  • 005A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.24 to 0.302 in
    Overall Height
    0.375 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.175 to 0.240 in
  • 006A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.265 to 0.335 in
    Overall Height
    0.375 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.204 to 0.275 in
  • 007A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.3 to 0.365 in
    Overall Height
    0.375 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.234 to 0.301 in
  • 008A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.33 to 0.398 in
    Overall Height
    0.375 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.275 to 0.33 in
  • 009A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.36 to 0.428 in
    Overall Height
    0.375 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.299 to 0.365 in
  • 012A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.447 to 0.512 in
    Overall Height
    0.406 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.385 to 0.448 in
  • 013A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.49 to 0.547 in
    Overall Height
    0.5 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.375 in
  • 013WA

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.478 to 0.547 in
    Overall Height
    0.5 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.5 in
  • 014A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.5 to 0.568 in
    Overall Height
    0.438 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.437 in
  • 016A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.531 to 062 in
    Overall Height
    0.5 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.468 to 0.555 in
  • 017A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.55 to 0.634 in
    Overall Height
    0.5 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.485 to 0.568 in
  • 020A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.61 to 0.695 in
    Overall Height
    0.5 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.549 to 0.634 in
  • 021A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.641 to 0.728 in
    Overall Height
    0.5 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.575 to 0.665 in
  • 022A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.675 to 0.754 in
    Overall Height
    0.625 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.615 to 0.69 in
  • 024A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.75 to 0.805 in
    Overall Height
    0.19 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.688 to 0.743 in
  • 026A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.725 to 0.825 in
    Overall Height
    0.5 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.662 to 0.76 in
  • 027A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.75 to 0.848 in
    Overall Height
    0.625 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.686 to 0.777 in
  • 028A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.802 to 091 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.725 to 0.846 in
  • 029A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.82 to 0.931 in
    Overall Height
    0.625 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.754 to 0.868 in
  • 030A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.856 to 0.973 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.768 to 0.906 in
  • 035A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.895 to 1.04 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.832 to 0.975 in
  • Thread Size
    M6
    Material
    Polypropylene
    Color
    Black
    Outer Diameter
    0.984 in
    Overall Height
    0.378 in
    Cap Type
    Secure Cover Cap
    More specifications (1)
    Inner Diameter
    0.248 in
  • 038A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.98 to 1.045 in
    Overall Height
    0.5 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.916 to 0.984 in
  • Thread Size
    M5
    Material
    Low Density Polyethylene
    Color
    White
    Outer Diameter
    0.354 in
    Overall Height
    0.15 in
    Cap Type
    Threaded
    More specifications (2)
    Resistance Properties
    Particulate Resistant
    Inner Diameter
    0.165 in
  • 040A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.966 to 1.096 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.902 to 1.038 in
  • 041A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.002 to 1.145 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    0.938 to 1.079 in
  • 045A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.225 to 1.355 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    1.160 to 1.295 in
  • 046A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.235 to 1.35 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    1.140 to 1.295 in
  • 047A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.291 to 1.362 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    1.227 to 1.3 in
  • 051A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.344 to 1.517 in
    Overall Height
    0.938 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    1.282 to 1.46 in
  • 053A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.45 to 1.6 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    1.385 to 1.535 in
  • 054A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.52 to 1.602 in
    Overall Height
    0.75 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant
    More specifications (1)
    Inner Diameter
    1.456 to 1.537 in
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.102 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.106 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.236 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.283 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.295 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.315 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.335 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.346 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Thread Size
    M10
    Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.366 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.394 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.469 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.504 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.689 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.547 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.587 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.606 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.626 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.669 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.906 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.74 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.772 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.807 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.827 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    White
    Hole Diameter
    0.89 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    0.906 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    1.24 in
    Resistance Properties
    Water Resistant
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    1.067 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    1.496 in
    Resistance Properties
    Water Resistant
    Head Style
    Flanged
    Reusable
    Yes
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    33.5 mm
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    1.339 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    1.398 in
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    1.811 in
    Resistance Properties
    Water Resistant
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    1.654 in
    Head Style
    Flanged
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    43.3 mm
    Plug Type
    Push-In
    Head Style
    Domed
  • Material
    Low Density Polyethylene
    Color
    Natural
    Hole Diameter
    1.791 in
    Head Style
    Flanged