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 6240-01-533-3770
NSN 5855-01-451-7389
NSN 5855-00-256-5562
NSN 5905-01-306-9491
NSN 5998-01-082-3854
NSN 6645-00-733-9341
NSN 5855-00-165-3093
NSN 6240-01-398-6049
NSN 5835-01-202-9673
NSN 6220-01-062-2077
NSN 5945-00-838-1340
NSN 5925-00-777-4083