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 5930-01-160-8427
NSN 5920-00-993-8997
NSN 6105-00-353-5594
NSN 6150-01-502-8295
NSN 5910-00-172-5942
NSN 2925-00-781-1273
NSN 5910-00-087-1693
NSN 5990-01-146-1779
NSN 5998-01-406-3424
NSN 5935-01-396-0751
NSN 5975-00-269-4365
NSN 6130-01-503-2916