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 7035-01-599-7560
NSN 6105-00-243-6839
NSN 6130-01-347-3620
NSN 5935-01-318-5163
NSN 5998-00-009-9787
NSN 6110-01-150-5025
NSN 6220-00-140-4158
NSN 6130-01-415-0944
NSN 5999-01-113-8332
NSN 6130-00-445-7873
NSN 6220-00-902-3692
NSN 6145-01-634-0388