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 5930-00-755-2273
NSN 6610-01-336-8027
NSN 5960-00-165-1015
NSN 5950-01-434-6779
NSN 2925-01-422-1542
NSN 5935-00-017-0097
NSN 5950-00-264-1146
NSN 6610-01-206-5278
NSN 5945-00-523-5215
NSN 5950-01-350-2413
NSN 5835-01-463-2334
NSN 5975-01-384-1999