Caps, Plugs & Stoppers

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

  • Material
    Polyvinyl Chloride
    Color
    Black
    Overall Height
    0.512 in
    Cap Type
    Round End Cap
    Inner Diameter
    0.126 in
  • Thread Size
    M4
    Material
    Polyvinyl Chloride
    Color
    Black
    Overall Height
    0.512 in
    Cap Type
    Round End Cap
    Resistance Properties
    Abrasion Resistant, Impact Resistant
    More specifications (2)
    Operating Temperature
    70 °C
    Inner Diameter
    0.142 in
  • GPTE03

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Hole Diameter
    11.5 to 17.5 mm
    Plug Type
    Threaded
  • Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I1-1/4A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I1-5/8A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I1-7/8A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I1/2A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I1/4A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I11/16A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I13/16A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I1A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Push-In
  • I3/4A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I3/8A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I5/16A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I5/8A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I7/16A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I7/8A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • I9/16A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Yellow
    Plug Type
    Threaded
  • L1B

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Overall Height
    1.752 in
    Cap Type
    Non-Threaded
    Inner Diameter
    1 in
  • L7/8A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Outer Diameter
    0.874 in
    Overall Height
    1.752 in
    Cap Type
    Non-Threaded End Cap
    Resistance Properties
    Contaminants Resistant, Debris Resistant, Particulate Resistant
  • LF-10

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Outer Diameter
    0.492 in
    Overall Height
    0.461 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant, Particulate Resistant, Water Resistant
    More specifications (1)
    Inner Diameter
    0.409 in
  • LF-11X

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Outer Diameter
    0.949 in
    Overall Height
    0.492 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant, Particulate Resistant, Water Resistant
    More specifications (1)
    Inner Diameter
    0.5 in
  • LF-12X

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Outer Diameter
    1.031 in
    Overall Height
    0.528 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant, Particulate Resistant, Water Resistant
    More specifications (1)
    Inner Diameter
    0.547 in
  • LF-13

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Plug Type
    Push-Fit
  • LF-15X

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Outer Diameter
    1.142 in
    Overall Height
    0.591 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant, Particulate Resistant, Water Resistant
    More specifications (1)
    Inner Diameter
    0.661 in
  • LF-17

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Outer Diameter
    1.248 in
    Overall Height
    0.622 in
    Cap Type
    Tapered
    Resistance Properties
    Corrosion Resistant, Particulate Resistant, Water Resistant
    More specifications (1)
    Inner Diameter
    0.74 in
  • LF10A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.481 to 0.547 in
    Overall Height
    0.46 in
    Cap Type
    Tapered
    Inner Diameter
    0.409 to 0.493 in
  • LF11XA

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.565 to 0.631 in
    Overall Height
    0.491 in
    Cap Type
    Tapered
    Inner Diameter
    0.5 to 0.58 in
  • LF12XA

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.61 to 0.687 in
    Overall Height
    0.527 in
    Cap Type
    Tapered
    Inner Diameter
    0.548 to 0.635 in
  • LF15XA

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.725 to 0.812 in
    Overall Height
    0.59 in
    Cap Type
    Tapered
    Inner Diameter
    0.662 to 0.765 in
  • LF17A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.82 to 0.92 in
    Overall Height
    0.621 in
    Cap Type
    Tapered
    Inner Diameter
    0.741 to 0.865 in
  • LF18A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Plug Type
    Tapered
  • LF19A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.95 to 1.02 in
    Overall Height
    0.715 in
    Cap Type
    Tapered
    Inner Diameter
    0.875 to 0.957 in
  • LF22A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.237 to 1.382 in
    Overall Height
    0.746 in
    Cap Type
    Tapered
    Inner Diameter
    1.167 to 1.312 in
  • LF28A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    1.73 to 1.89 in
    Overall Height
    0.745 in
    Cap Type
    Tapered
    Inner Diameter
    1.65 to 1.825 in
  • LF2A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Plug Type
    Tapered
    Resistance Properties
    Corrosion Resistant
  • LF3A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.236 to 0.29 in
    Overall Height
    0.402 in
    Cap Type
    Tapered
    Inner Diameter
    0.146 to 0.245 in
  • LF6A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Outer Diameter
    0.367 to 0.418 in
    Overall Height
    0.402 in
    Cap Type
    Tapered
    Inner Diameter
    0.298 to 0.354 in
  • MCP050B

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Operating Temperature
    140 °F
  • MCP050N

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Operating Temperature
    140 °F
  • MCP100B

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Operating Temperature
    140 °F
  • MCP100N

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Operating Temperature
    140 °F
  • OR10A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Overall Height
    0.53 in
    Inner Diameter
    0.906 in
  • OR16A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Overall Height
    0.58 in
    Inner Diameter
    1.344 in
  • OR20A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Overall Height
    0.58 in
    Inner Diameter
    1.594 in
  • OR4A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Overall Height
    0.326 in
    Inner Diameter
    0.5 in
  • OR6A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Overall Height
    0.37 in
    Inner Diameter
    0.594 in
  • OR8A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Blue
    Overall Height
    0.43 in
    Inner Diameter
    0.75 in
  • P13A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Hole Diameter
    0.471 to 0.548 in
    Plug Type
    Side Pull Tab
  • P17A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Hole Diameter
    0.550 to 0.634 in
    Plug Type
    Side Pull Tab
  • P18A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Hole Diameter
    0.580 to 0.668 in
    Plug Type
    Side Pull Tab
  • P20A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Hole Diameter
    0.640 to 0.729 in
    Plug Type
    Side Pull Tab
  • P23A

    Essentra | Richco
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    Material
    Low Density Polyethylene
    Color
    Blue
    Hole Diameter
    0.690 to 0.785 in
    Plug Type
    Side Pull Tab
  • Material
    Nylon
    Color
    White
    Hole Diameter
    15.1 mm
    Plug Type
    Snap-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • Material
    Nylon
    Color
    White
    Hole Diameter
    18.2 mm
    Plug Type
    Snap-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • Material
    Nylon
    Color
    White
    Hole Diameter
    0.843 in
    Plug Type
    Snap-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • Material
    Nylon
    Color
    White
    Hole Diameter
    0.89 in
    Plug Type
    Snap-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • Material
    Nylon
    Color
    White
    Hole Diameter
    24.6 mm
    Plug Type
    Snap-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • PGM-18

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    1.374 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • PGM-1WH

    Essentra | Richco
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    Material
    Nylon
    Color
    White
    Hole Diameter
    8 mm
    Plug Type
    Push-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • PGM-2

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    0.374 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • PGM-20

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    1.496 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • Material
    Nylon
    Color
    White
    Hole Diameter
    1.496 in
    Plug Type
    Snap-In
    Resistance Properties
    Flame Retardant
  • Material
    Nylon
    Color
    White
    Hole Diameter
    48.4 mm
    Plug Type
    Push-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • PGM-23

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    .2 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • Material
    Nylon
    Color
    White
    Hole Diameter
    55.1 mm
    Plug Type
    Snap-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • PGM-24

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    0.579 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • PGM-26

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    0.657 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • PGM-27

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    0.717 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • PGM-28

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    0.787 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • PGM-29

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    1.126 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • Material
    Nylon
    Color
    White
    Hole Diameter
    28.6 mm
    Plug Type
    Snap-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • PGM-31

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    1.681 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • Material
    Nylon
    Color
    White
    Hole Diameter
    1.681 in
    Plug Type
    Push-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • PGM-32

    Essentra | Richco
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    Material
    Nylon
    Color
    Black
    Hole Diameter
    1.22 in
    Plug Type
    Solid Locking
    Resistance Properties
    Corrosion Resistant and Vibration Resistant, Particulate Resistant, Water Resistant
    Head Style
    Domed
    More specifications (1)
    Reusable
    Yes
  • PGM-3WH

    Essentra | Richco
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    Material
    Nylon
    Color
    White
    Hole Diameter
    0.469 in
    Plug Type
    Snap-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • PGM-5WH

    Essentra | Richco
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    Material
    Nylon
    Color
    White
    Hole Diameter
    14.3 mm
    Plug Type
    Snap-Fit
    Resistance Properties
    Flame Retardant
    Head Style
    Domed
  • PT1/2A

    Essentra | Richco
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    Thread Size
    1/2 in NPT
    Material
    High-Density Polyethylene
    Color
    Red
    Hole Diameter
    28.5 mm
    Plug Type
    Threaded
    Head Style
    Knurled
  • PT1/4A

    Essentra | Richco
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    Thread Size
    1/4 in NPT
    Material
    High-Density Polyethylene
    Color
    Red
    Hole Diameter
    18.4 mm
    Plug Type
    Threaded
    Head Style
    Knurled
  • PT1A

    Essentra | Richco
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    Thread Size
    1 in NPT
    Material
    High-Density Polyethylene
    Color
    Red
    Hole Diameter
    39.8 mm
    Plug Type
    Threaded
    Head Style
    Knurled
  • PT3/4C

    Essentra | Richco
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    Thread Size
    3/4 in NPT
    Material
    High-Density Polyethylene
    Color
    Red
    Hole Diameter
    1.299 in
    Plug Type
    Threaded
    Head Style
    Knurled
  • PT3/8A

    Essentra | Richco
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    Thread Size
    3/8 in NPT
    Material
    High-Density Polyethylene
    Color
    Red
    Hole Diameter
    22.9 mm
    Plug Type
    Threaded
    Head Style
    Knurled
  • Q1A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Overall Height
    0.39 in
    Cap Type
    Flanged
    Inner Diameter
    1.19 in
  • Q2A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Overall Height
    0.415 in
    Cap Type
    Flanged
    Inner Diameter
    1.33 in
  • Q3A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Overall Height
    0.435 in
    Cap Type
    Flanged
    Inner Diameter
    1.51 in
  • Q4A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Overall Height
    0.465 in
    Cap Type
    Flanged
    Inner Diameter
    1.76 in
  • Q5A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Overall Height
    0.465 in
    Cap Type
    Flanged
    Inner Diameter
    1.971 in
  • Q6A

    Essentra | Richco
    View product details
    Material
    Polyethylene
    Color
    Natural
    Overall Height
    0.465 in
    Cap Type
    Flanged
    Inner Diameter
    2.385 in
  • Q7A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Overall Height
    0.585 in
    Cap Type
    Flanged
    Inner Diameter
    2.81 in
  • Q8A

    Essentra | Richco
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    Material
    Polyethylene
    Color
    Natural
    Overall Height
    0.5 in
    Cap Type
    Flanged
    Inner Diameter
    3.31 in
  • R1-1/2A

    Essentra | Richco
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    Thread Size
    1-1/2-11-1/2
    Material
    High-Density Polyethylene
    Color
    Blue
    Plug Type
    Threaded
  • R1-1/4A

    Essentra | Richco
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    Thread Size
    1-1/4-11-1/2
    Material
    High-Density Polyethylene
    Color
    Blue
    Plug Type
    Threaded
  • R1-1/4C

    Essentra | Richco
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    Thread Size
    1-1/4-11-1/2
    Material
    Glass Filled Nylon
    Color
    Natural
    Plug Type
    Threaded
  • R1/2A

    Essentra | Richco
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    Thread Size
    1/2 in NPT
    Material
    High-Density Polyethylene
    Color
    Blue
    Plug Type
    Threaded
  • R1/2D

    Essentra | Richco
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    Thread Size
    1/2 in NPT
    Material
    Nylon
    Color
    Natural
    Plug Type
    Threaded
    Head Style
    Socket
  • R1/4A

    Essentra | Richco
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    Thread Size
    1/4 in NPT
    Material
    High-Density Polyethylene
    Color
    Blue
    Plug Type
    Threaded
  • R1/4C

    Essentra | Richco
    View product details
    Thread Size
    1/4 in NPT
    Material
    Nylon
    Color
    Natural
    Plug Type
    Threaded
    Head Style
    Socket