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 6145-01-412-0926
NSN 5930-01-132-1404
NSN 6145-00-473-8709
NSN 4140-01-413-8961
NSN 5835-01-362-8367
NSN 5895-00-099-9532
NSN 6320-01-173-7950
NSN 6105-00-169-8773
NSN 5998-00-014-2470
NSN 5920-01-461-1767
NSN 2925-00-806-7972
NSN 6110-01-494-8363