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 2925-01-196-6187
NSN 5930-00-493-6502
NSN 6620-01-265-2887
NSN 5999-00-269-5320
NSN 6650-01-174-5788
NSN 6620-00-580-1462
NSN 6645-01-488-5466
NSN 5930-00-840-7601
NSN 6610-00-935-7131
NSN 5855-01-154-3871
NSN 5945-00-558-6803
NSN 5920-01-513-8584