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 5895-01-016-4528
NSN 5935-01-204-0064
NSN 5910-00-963-1795
NSN 5895-00-430-8395
NSN 5945-01-227-5095
NSN 6620-01-545-4082
NSN 5835-00-280-8494
NSN 5855-01-064-8961
NSN 5905-01-202-1396
NSN 5925-00-599-6339
NSN 5915-01-445-1252
NSN 6145-01-398-3125