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 5990-01-179-5625
NSN 6685-00-538-2799
NSN 4140-01-399-3027
NSN 4140-01-220-9171
NSN 6105-01-293-0872
NSN 6685-00-595-5376
NSN 5999-01-174-7598
NSN 5999-01-342-6946
NSN 5990-01-258-3848
NSN 6135-00-299-6918
NSN 5985-01-256-1022
NSN 5895-00-197-7188