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 5920-00-837-2633
NSN 5950-01-056-1018
NSN 6110-00-779-0648
NSN 6105-00-527-2193
NSN 5965-00-810-2204
NSN 5996-01-537-1439
NSN 5935-01-354-8110
NSN 5895-00-778-7300
NSN 6105-01-274-0617
NSN 5935-01-004-4132
NSN 5996-01-250-2814
NSN 5996-00-098-3864