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 6320-01-006-6138
NSN 6105-01-398-7369
NSN 6645-00-020-2787
NSN 4140-00-181-3547
NSN 5925-00-935-8702
NSN 6610-00-864-4730
NSN 6610-01-210-8493
NSN 6135-01-247-5660
NSN 6240-00-174-8902
NSN 5996-01-406-6647
NSN 5960-00-129-6660
NSN 5998-01-486-3297