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 6110-00-679-8961
NSN 5925-01-210-1678
NSN 5950-01-436-5244
NSN 6145-00-199-8066
NSN 2925-00-152-1825
NSN 5935-01-207-0033
NSN 5895-00-935-4967
NSN 4140-00-019-1697
NSN 5835-00-170-5238
NSN 6650-01-641-3230
NSN 5920-01-278-0600
NSN 6150-01-551-6646