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 6645-01-517-6960
NSN 6105-01-494-3848
NSN 5920-00-964-9986
NSN 6685-01-226-4068
NSN 6110-01-186-0010
NSN 6610-01-445-6362
NSN 5950-01-408-6702
NSN 5999-01-500-4329
NSN 5930-01-393-8825
NSN 5920-01-634-0250
NSN 2925-01-607-4340
NSN 5960-01-337-1191