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 6105-01-218-5211
NSN 5998-01-331-8526
NSN 5975-00-185-5243
NSN 6240-01-499-8002
NSN 5935-00-708-7573
NSN 5945-00-177-4676
NSN 6110-01-449-8870
NSN 5855-00-089-3974
NSN 5960-00-665-5180
NSN 6135-01-445-6157
NSN 6650-00-850-3312
NSN 6685-01-091-6254