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 5930-00-737-2630
NSN 5910-00-412-9214
NSN 6240-00-059-7099
NSN 5920-01-474-2227
NSN 6110-00-852-8003
NSN 5998-01-024-7485
NSN 5915-01-253-1514
NSN 4140-00-585-6306
NSN 5990-01-230-2827
NSN 5835-01-617-5121
NSN 5960-01-202-6610
NSN 6150-01-640-7854