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 5895-00-409-1512
NSN 5975-00-269-4365
NSN 5945-01-652-6991
NSN 5950-00-317-8257
NSN 5960-01-553-4557
NSN 6130-00-956-7635
NSN 5855-00-987-1171
NSN 5965-01-450-2187
NSN 5975-00-942-1925
NSN 5960-01-317-3800
NSN 5905-01-045-8020
NSN 5920-01-137-1474