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 6130-00-018-8621
NSN 5920-01-626-0737
NSN 6130-01-388-9694
NSN 5965-00-581-9978
NSN 6620-00-562-6337
NSN 6105-01-083-9514
NSN 6645-00-819-5045
NSN 6105-00-500-7225
NSN 5990-00-258-0228
NSN 6105-01-512-1831
NSN 5855-01-277-1663
NSN 5905-01-471-8380