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 5960-00-190-5817
NSN 6110-01-449-0150
NSN 5855-00-174-3482
NSN 5855-01-580-6121
NSN 5855-01-335-8907
NSN 5925-01-286-8269
NSN 5920-01-535-7477
NSN 5920-00-109-2062
NSN 6145-01-171-8160
NSN 5975-00-104-5399
NSN 5975-01-014-7231
NSN 5975-00-969-9045