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 6220-00-816-8131
NSN 6650-01-175-0841
NSN 6645-01-126-3969
NSN 6685-01-495-4385
NSN 5855-00-631-4565
NSN 5960-00-140-9583
NSN 6130-01-370-2626
NSN 6650-01-589-3585
NSN 6650-00-098-6128
NSN 5915-01-279-0830
NSN 6610-01-096-0894
NSN 5945-00-543-3231