Global type "A" female thread to male cam and grove adapters. Available in aluminum or brass from 1/2 to 6 inches. Designed to interchange with all products produced to MIL-C-27487F. Buna seals are standard in all couplers. Pressure rating for adapters, is based on the seal of the mating part. Under no circumstances should cam and groove couplings be used for compressed air or steam service! Available threads are NH(NST) or NPT.