Knurled for ease of application, Series PDE Plugs are designed to fit MS-21921 tube and nut assemblies interchangeably. They can be installed with light finger tightening to seal beyond normal requirements.Material: Low-Density PolyethyleneColour*: Red
Unit of Measure


N/A .400 in10.16 mm


N/A 0.56 in14.22 mm

To Fit Thread Size

N/A 7/16–20 in

Packaging - Carton

N/A 5000

Packaging - Mini Pak

N/A 1000

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