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 4140-01-169-8105
NSN 6105-00-424-6283
NSN 5960-01-599-9821
NSN 5950-01-096-1538
NSN 6650-01-366-7811
NSN 5920-01-599-2656
NSN 6610-00-207-4207
NSN 5930-00-240-4996
NSN 6110-00-643-4832
NSN 6240-00-079-1759
NSN 6320-00-977-3930
NSN 5999-00-549-2407