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 6150-00-929-6164
NSN 6150-01-029-5027
NSN 5835-01-615-8864
NSN 6220-00-959-5970
NSN 5895-00-218-1355
NSN 5915-01-578-1072
NSN 5975-01-263-3845
NSN 6150-00-792-6961
NSN 6110-01-561-7570
NSN 5920-01-634-0250
NSN 5910-01-206-0609
NSN 6645-01-236-6387