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 6650-01-319-6930
NSN 6105-01-202-8878
NSN 6110-01-448-6348
NSN 5935-01-484-8772
NSN 5996-01-074-4328
NSN 5915-00-683-8248
NSN 6135-00-050-7189
NSN 5998-01-168-9782
NSN 6105-00-221-0809
NSN 6130-00-305-1052
NSN 5996-01-021-3627
NSN 5930-00-907-3459