Interchangeable Nylon Camlock coupling/Fiberglass reinforced nylon Our Nylon camlock couplings are interchangeable with other materials camlock couplings, for example, our Nylon camlock F match Aluminium camlock D or A, they are interchangeable. Material: Nylon or PP/ Polypropylene , Handle: Brass & stainless steel Gasket: NBR, EPDM, Viton, PTFE , Safey Pin: Mid Steel Thread: ISO228(BSP)/ISO7(BSPT)/ANSI B1.20(NPT) , Size: 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4" Working pressure: 1”-21/2”:100psi, 3”-4”: 50psi Temperature: -30°-200°F Application: Oil, water, gas, chemical petroleum Polypropylene cam and groove couplings are made out of glass reinforced polypropylene, which is acid resistant.