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 5965-01-163-8958
NSN 5930-01-144-8024
NSN 6610-00-664-2190
NSN 5930-01-457-5670
NSN 5998-01-627-1999
NSN 5835-01-481-4204
NSN 5960-01-370-4285
NSN 5999-01-085-6713
NSN 5960-01-496-7837
NSN 5910-01-593-9114
NSN 6685-01-568-2182
NSN 5930-01-159-3831