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 5930-01-381-5528
NSN 5960-00-498-9034
NSN 5895-01-021-8994
NSN 5855-00-288-1408
NSN 5895-01-341-3570
NSN 5895-01-215-8483
NSN 5975-01-444-1096
NSN 5935-01-158-5541
NSN 5935-00-368-4885
NSN 6620-00-654-3738
NSN 6320-01-484-7734
NSN 5920-01-557-2860