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 4140-00-168-6184
NSN 5999-01-131-1581
NSN 6320-01-176-8367
NSN 5996-01-512-9275
NSN 5925-01-598-3177
NSN 6145-01-596-6501
NSN 7035-00-557-5570
NSN 5915-01-473-2455
NSN 6620-01-586-3456
NSN 5998-01-607-4060
NSN 6110-01-366-7954
NSN 5935-01-372-1065