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 5930-01-463-3098
NSN 5960-01-597-9591
NSN 5945-00-269-5375
NSN 5910-00-336-4525
NSN 6645-01-292-9778
NSN 5960-00-678-6583
NSN 5835-01-297-1909
NSN 5835-01-381-2683
NSN 6110-00-840-6560
NSN 5998-01-134-5405
NSN 6650-00-702-3560
NSN 5985-01-451-4140