Camlocks also called cam and groove couplings, are a kind of hose coupling used to rapidly connect and disconnect fittings on piping or hose, they come in a variety of materials to be used with different media and a variety of sizes to accommodate hose or piping diameter. Camlock connectors are capable of carrying liquids, powders and granules and are interchangeable with all other cam and groove couplings made to the same standard (A-A-59326A – formally MIL-C-27487), [1] ensuring compatibility with couplings made to the same specification. PP TYPE A, has a male camlock end and a female pipe thread (BSP or NPT thread) of the same size.