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 5935-01-024-6129
NSN 5925-01-339-5423
NSN 5960-00-518-3091
NSN 5950-00-998-8557
NSN 6130-00-510-4399
NSN 5895-01-634-0630
NSN 7035-00-392-5417
NSN 5985-01-227-5524
NSN 5935-00-129-6668
NSN 6685-01-317-1569
NSN 5920-01-340-4506
NSN 5930-00-482-5780