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 5905-00-021-3792
NSN 5935-00-015-1481
NSN 5990-00-018-9723
NSN 5910-00-059-7491
NSN 5835-00-185-4919
NSN 5990-00-891-4085
NSN 5999-00-515-7354
NSN 6105-00-147-8969
NSN 4140-01-550-8908
NSN 6645-01-232-4843
NSN 6645-00-574-9712
NSN 7035-01-318-3158