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 5910-00-234-6786
NSN 6610-00-191-5317
NSN 5925-00-242-2583
NSN 5975-00-736-3420
NSN 6240-01-231-9243
NSN 2925-01-604-8984
NSN 5905-00-441-7747
NSN 7035-01-207-8704
NSN 5905-01-142-2894
NSN 6150-01-609-8929
NSN 5930-01-071-5465
NSN 5915-01-238-0049