... release camlock couplingsTypeDescriptionSizeMaterialThreadA type male adapter x female thread1/2" ~ 8"Polypropylene,Nylon,Aluminum ... steelBSPP,BSPT,NPTD typefemale coupler x female thread1/2" ~ 8"Polypropylene,Nylon ... coupling,Reducing Coupling,Fuel Tanker Products,Brass pipe fitting&Fire Hose Adaptors,DSP symmetricque Coupling,Bauers,clampsPP Male Part B Polypropylene camlock male threaded coupling ...