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 6645-01-244-4881
NSN 5920-01-443-3771
NSN 6620-01-575-7879
NSN 6110-01-055-6442
NSN 5996-01-437-8824
NSN 6610-01-282-3225
NSN 6110-00-605-7496
NSN 5960-01-223-1203
NSN 6110-01-561-9019
NSN 6110-00-857-4274
NSN 6620-00-351-9949
NSN 6145-01-062-4948