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 5996-01-347-5725
NSN 6320-01-473-9024
NSN 5999-01-446-1932
NSN 5965-00-636-4926
NSN 5960-00-322-8562
NSN 5935-01-408-5920
NSN 7035-01-176-4857
NSN 5960-00-924-7210
NSN 5935-00-410-1483
NSN 6145-01-391-6199
NSN 6150-00-596-9882
NSN 6610-01-194-8659