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 5835-01-608-4285
NSN 5930-01-457-7115
NSN 5835-01-442-6482
NSN 6645-00-780-5260
NSN 6105-00-946-1075
NSN 6685-01-582-2487
NSN 6620-01-467-2111
NSN 5965-00-100-1291
NSN 5910-01-384-7441
NSN 5910-01-461-9782
NSN 6650-01-268-9702
NSN 6240-01-644-9587