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 5925-01-576-9256
NSN 5996-01-617-0821
NSN 6645-01-432-6149
NSN 5910-01-100-4907
NSN 5920-00-781-1928
NSN 5835-01-555-8963
NSN 6105-01-624-6917
NSN 5996-01-165-7326
NSN 4140-01-057-4152
NSN 5965-01-221-0569
NSN 5996-00-918-3835
NSN 5910-00-084-0275