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 6110-01-468-8033
NSN 5895-00-955-2540
NSN 5965-00-060-0090
NSN 6220-01-510-4665
NSN 6130-01-144-5978
NSN 5895-00-244-0943
NSN 5999-01-371-6564
NSN 5965-00-052-9184
NSN 5945-01-044-5825
NSN 5895-01-449-0447
NSN 5975-00-603-6258
NSN 5996-00-190-7014