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 4140-01-266-1696
NSN 5996-00-225-3286
NSN 2925-01-386-7392
NSN 2925-00-839-6815
NSN 6105-01-397-2850
NSN 5895-00-686-7772
NSN 5975-00-940-7820
NSN 5965-00-067-0290
NSN 5920-00-501-7834
NSN 5925-01-167-4783
NSN 6110-01-407-1244
NSN 5975-01-597-7486