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 6610-01-044-4740
NSN 5855-01-023-3727
NSN 6610-01-010-3159
NSN 6320-01-054-3046
NSN 2925-01-268-5464
NSN 5998-01-462-0373
NSN 5855-01-609-7173
NSN 5996-00-891-9250
NSN 6320-00-194-4252
NSN 5930-01-308-4202
NSN 5920-01-179-9739
NSN 6610-01-371-5039