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 6135-00-284-1406
NSN 5965-01-204-8505
NSN 6135-01-351-2690
NSN 6150-01-317-3639
NSN 6110-01-224-6954
NSN 5905-00-593-4747
NSN 6145-01-462-2460
NSN 6320-01-493-4472
NSN 6145-01-181-1179
NSN 5855-00-361-0167
NSN 5965-01-087-8572
NSN 5945-01-176-9101