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 6135-01-589-9467
NSN 5905-00-926-2905
NSN 6220-00-514-3005
NSN 6650-00-018-7298
NSN 5985-01-290-7249
NSN 5960-01-345-3464
NSN 6145-00-793-7816
NSN 5990-01-328-9846
NSN 5920-01-386-4195
NSN 5935-01-024-0520
NSN 5920-01-451-5742
NSN 6150-00-813-8706