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 5996-01-079-9413
NSN 6650-01-540-5157
NSN 5835-01-263-1293
NSN 5999-01-037-8645
NSN 5935-00-519-0281
NSN 5935-00-959-6853
NSN 6145-01-584-7785
NSN 5950-01-516-8039
NSN 6220-01-104-5075
NSN 6150-01-036-8598
NSN 5965-00-015-7408
NSN 5935-00-116-8254