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 5905-00-516-2871
NSN 6220-00-283-5050
NSN 5965-01-204-8505
NSN 5925-01-442-0650
NSN 5999-00-678-4328
NSN 5990-00-492-5063
NSN 5910-00-579-7752
NSN 5965-01-213-3989
NSN 5999-01-542-1224
NSN 6130-00-639-0666
NSN 6220-01-152-2637
NSN 6240-00-143-6558