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 6105-01-535-4806
NSN 5905-00-517-9412
NSN 6610-01-254-4196
NSN 5925-00-124-5015
NSN 5935-01-184-7377
NSN 5910-01-014-6265
NSN 5990-00-419-7584
NSN 5855-01-271-6617
NSN 5835-00-389-2816
NSN 5990-00-462-9112
NSN 6110-01-115-3871
NSN 5998-01-212-0798