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 5945-01-259-6484
NSN 5855-01-103-1474
NSN 5999-01-148-1609
NSN 6620-01-580-0883
NSN 5915-01-071-0875
NSN 5855-00-079-2370
NSN 6130-00-173-6062
NSN 5925-00-721-3206
NSN 5835-01-647-6426
NSN 6150-00-144-7115
NSN 5910-01-142-7760
NSN 5835-01-089-7615