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 6150-01-205-0566
NSN 5905-01-146-4352
NSN 6105-01-503-0391
NSN 5935-00-622-3243
NSN 6145-01-654-1377
NSN 5945-00-551-0747
NSN 5915-00-138-1230
NSN 6240-01-481-5638
NSN 5960-00-665-5180
NSN 6610-00-169-4195
NSN 5996-01-462-7339
NSN 6220-00-257-5183