Low density polyethylene threaded plugs are used on JIC fittings. Knurled exterior makes them easy to apply and remove. They offer a tight seal and provide a positive seal for low-pressure requirements while keeping out contaminants. They suit 11 tubing sizes of 1 /8 to 1 in. and thread sizes of 5 /16 to 24 in.
Stockcap, (800) 797-7876, www.stockcap.com