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 5895-01-050-6970
NSN 5905-01-233-3405
NSN 5985-01-049-7971
NSN 4140-00-922-8875
NSN 6135-01-140-8201
NSN 6145-00-486-3443
NSN 6150-01-415-4567
NSN 5965-01-359-0384
NSN 6130-00-014-6334
NSN 5915-01-022-8596
NSN 5905-01-395-2412
NSN 5945-00-062-8959