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 5920-01-451-7533
NSN 5998-01-262-7079
NSN 5935-01-326-2230
NSN 6620-00-724-3137
NSN 5925-01-274-2263
NSN 6105-01-382-9690
NSN 5935-01-516-5544
NSN 6150-01-511-0262
NSN 6610-01-517-1901
NSN 5905-01-416-7581
NSN 5920-01-437-8850
NSN 5925-00-160-4747