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 6650-00-276-9838
NSN 5999-01-366-2024
NSN 5950-01-367-5990
NSN 2925-00-455-2367
NSN 6610-00-142-9678
NSN 6645-01-614-4838
NSN 5915-01-534-3397
NSN 6110-00-785-7927
NSN 6130-00-227-0988
NSN 6145-01-482-4647
NSN 5915-00-308-5404
NSN 6650-01-333-0984