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 5935-01-324-3878
NSN 6240-00-959-6735
NSN 6105-00-989-1351
NSN 6240-01-374-5113
NSN 5935-00-269-5516
NSN 5905-00-520-7506
NSN 6110-01-629-6387
NSN 5965-00-280-3111
NSN 2925-01-556-0333
NSN 5996-01-047-5953
NSN 5895-01-285-3685
NSN 6145-01-325-8505