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 6220-00-628-3108
NSN 5965-01-459-2273
NSN 5998-01-446-7326
NSN 5965-00-807-9159
NSN 4140-01-019-0555
NSN 6240-01-521-4256
NSN 4140-01-050-2022
NSN 5930-00-356-3962
NSN 6645-01-391-8763
NSN 6110-01-400-4207
NSN 5925-00-736-0425
NSN 6105-01-049-8643