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 6150-00-518-1402
NSN 5855-00-688-9954
NSN 5985-01-494-2110
NSN 6610-01-542-2276
NSN 2925-01-336-2820
NSN 6145-01-400-5819
NSN 6150-01-076-6469
NSN 6145-01-113-5282
NSN 6110-01-528-7251
NSN 5835-01-051-7584
NSN 7035-00-371-7749
NSN 6610-01-437-2506