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 6650-01-381-7296
NSN 5998-00-726-2074
NSN 6320-01-096-6649
NSN 5990-00-546-8619
NSN 5925-00-816-9929
NSN 5925-01-181-7358
NSN 5925-01-391-8077
NSN 6320-01-409-1388
NSN 5975-01-515-9483
NSN 5998-01-463-3359
NSN 5990-00-546-8619
NSN 6685-01-003-9343