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 6105-01-079-7640
NSN 5990-01-395-4194
NSN 7035-01-391-3518
NSN 6150-00-496-5480
NSN 5935-00-169-4271
NSN 5965-00-139-1039
NSN 6135-01-604-8739
NSN 5910-01-208-4984
NSN 6110-00-188-9874
NSN 6650-01-338-9998
NSN 6135-00-299-6918
NSN 6240-01-154-3895