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 5855-00-337-3679
NSN 5910-01-234-8308
NSN 6320-00-025-9910
NSN 5999-01-430-3312
NSN 6220-00-281-5974
NSN 6620-01-433-7952
NSN 5960-01-375-6815
NSN 5895-01-019-0935
NSN 6610-00-226-4710
NSN 5965-01-179-7749
NSN 6320-01-631-7828
NSN 5996-01-055-2253