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 6620-00-280-2874
NSN 5895-00-157-4170
NSN 5835-01-090-0784
NSN 6650-01-461-6286
NSN 6650-01-099-6271
NSN 5855-01-536-9647
NSN 5935-01-202-6310
NSN 5920-01-280-2334
NSN 5999-00-573-9477
NSN 6610-01-171-3010
NSN 5905-01-351-5678
NSN 6610-01-314-7964