Back Home / Pipe & Tube Fittings / Plastic Caps & Plugs / THREADED PLASTIC CAP FOR JIC 1/2-20 TUBE SIZE 5/16 THREADED PLASTIC CAP FOR JIC 1/2-20 TUBE SIZE 5/16 SKU: CD5 Categories: Pipe & Tube Fittings, Plastic Caps & Plugs 5/16 TUBE 1/2-20 THREAD Knufled for ease of application. Seals exceptionally well against dirt and moisture. Seals for masking during dipping, painting and plating. Case Quantity: 50 Log In For Pricing