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 6110-01-388-2389
NSN 5998-00-067-4316
NSN 6610-00-551-3610
NSN 5915-01-258-4087
NSN 5930-01-437-7367
NSN 6135-00-145-8884
NSN 6650-01-323-1354
NSN 5999-01-331-8756
NSN 5945-00-318-1373
NSN 5999-01-633-4324
NSN 6610-00-966-8713
NSN 5835-01-546-2008