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 6105-00-900-2486
NSN 2925-00-845-1480
NSN 5935-01-230-7052
NSN 6645-01-367-1316
NSN 7035-01-219-9476
NSN 5998-01-388-2928
NSN 6610-01-357-1940
NSN 5910-00-180-8208
NSN 5925-01-413-6585
NSN 6130-01-581-3134
NSN 5925-01-266-7813
NSN 6105-01-323-4695