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 5920-01-224-4334
NSN 6105-01-241-3913
NSN 5960-01-495-0859
NSN 6610-01-328-3400
NSN 6105-01-561-0330
NSN 5996-00-088-8891
NSN 5835-01-642-4705
NSN 5935-01-419-4000
NSN 6220-00-858-2456
NSN 5945-01-231-3232
NSN 6620-01-355-4339
NSN 6110-01-156-8441