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 6610-00-594-6372
NSN 5910-00-612-0064
NSN 5998-01-151-4398
NSN 6620-01-215-0470
NSN 5835-00-180-7555
NSN 5930-01-644-8912
NSN 5925-01-277-6062
NSN 5935-01-538-1858
NSN 5935-00-144-8017
NSN 5915-00-276-8332
NSN 5920-01-068-0178
NSN 6110-01-225-6303