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 5920-01-391-4884
NSN 6645-00-117-9839
NSN 4140-01-145-6524
NSN 5920-01-629-4463
NSN 5990-01-138-8981
NSN 5960-00-768-0844
NSN 5835-01-384-3206
NSN 6685-00-553-1995
NSN 5905-00-840-6011
NSN 6650-01-096-4993
NSN 5910-01-437-7446
NSN 6610-01-147-3099