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 6130-01-386-3858
NSN 6220-00-468-5801
NSN 5998-00-862-3118
NSN 5905-01-441-9704
NSN 5960-01-210-8284
NSN 6645-01-562-7154
NSN 6650-00-947-3047
NSN 5950-00-897-5344
NSN 6130-01-261-2271
NSN 4140-01-448-3132
NSN 6650-01-553-2805
NSN 5965-01-529-5311