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 6650-00-382-6080
NSN 5855-00-466-2309
NSN 5910-01-425-1773
NSN 5915-01-040-6322
NSN 5895-01-511-4747
NSN 6650-01-214-1710
NSN 6135-00-686-4777
NSN 5855-01-541-1361
NSN 5998-01-628-5470
NSN 5996-01-235-1643
NSN 5910-01-398-5136
NSN 5975-01-368-0227