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 4140-01-085-4965
NSN 5945-00-165-3878
NSN 5965-01-439-6650
NSN 5990-00-004-4158
NSN 6650-00-283-0978
NSN 6130-01-286-5229
NSN 5835-00-827-1904
NSN 5895-01-566-3316
NSN 5990-01-529-7307
NSN 5999-01-084-0871
NSN 5990-00-212-4316
NSN 6650-00-924-3340