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 6135-01-177-3552
NSN 6610-00-010-3085
NSN 6135-01-551-0562
NSN 6645-01-414-4941
NSN 5855-01-076-2741
NSN 5990-01-373-7545
NSN 6150-00-828-7136
NSN 5920-01-311-4608
NSN 5855-01-246-4274
NSN 5999-01-542-0833
NSN 5915-01-446-5028
NSN 6145-01-414-6506