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 5985-01-580-2024
NSN 5930-01-512-5055
NSN 6105-01-599-1833
NSN 6135-00-835-2330
NSN 6320-01-498-4954
NSN 5855-01-452-1406
NSN 5998-00-518-5309
NSN 6220-01-645-1759
NSN 5999-00-518-9721
NSN 6320-00-160-0899
NSN 5895-01-589-8409
NSN 5999-01-395-4024