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 5945-01-549-5466
NSN 6650-01-544-0366
NSN 5996-01-167-0027
NSN 5998-00-925-2992
NSN 6130-01-316-9968
NSN 6240-00-456-2578
NSN 5910-01-081-0140
NSN 5965-01-172-5724
NSN 5910-00-156-5782
NSN 2925-00-149-0760
NSN 6135-01-603-8367
NSN 5930-01-528-6757