A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6110-01-621-9005
NSN 6240-00-780-5356
NSN 6105-01-194-1283
NSN 7035-01-266-3490
NSN 5855-00-471-6002
NSN 5855-00-973-5717
NSN 6620-00-137-0332
NSN 5930-00-984-6811
NSN 5910-01-134-7917
NSN 2925-00-225-5386
NSN 5930-00-608-1819
NSN 5915-01-597-3926