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 6105-01-054-3649
NSN 6645-01-010-3746
NSN 5835-01-312-4446
NSN 6650-00-851-7615
NSN 5835-01-538-1804
NSN 5905-01-463-8665
NSN 5945-00-681-0320
NSN 6130-01-328-8108
NSN 5835-01-111-0969
NSN 6150-00-913-4917
NSN 6220-00-846-0140
NSN 5999-01-210-7199