... 4)MATERIAL:BRASS,STAINLESS STEEL,ALUMINUM,PP,NY Hose Camlock CouplingMaterial:Aluminum,Brass,Stainless steel,PP,nylonSize: ... Parts, Aluminum cast Parts, Camlock Quick Couplings, Fire Hydrants, Guillemin Couplings, Hose Couplings,Air Hose Couplings, Pipe Fittings, Valves, and Fastening ... USA, European,Japanese, and Australian standards for couplings used to transport the petroleum,the chemical fuel, ...