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 5996-01-598-7786
NSN 6320-00-070-4544
NSN 5965-01-213-0338
NSN 5935-00-247-0989
NSN 5965-01-655-5965
NSN 6130-01-241-9509
NSN 5925-01-337-4928
NSN 5999-01-016-1303
NSN 6130-01-646-3317
NSN 6320-01-578-6006
NSN 6645-01-534-5545
NSN 5895-01-034-2115