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 5960-00-817-6457
NSN 5935-01-379-1406
NSN 5965-00-499-8229
NSN 5998-00-263-6073
NSN 4140-01-152-2672
NSN 6685-01-309-6240
NSN 5999-01-601-0005
NSN 6220-00-678-3915
NSN 6130-00-518-1884
NSN 5925-01-021-7669
NSN 5835-00-744-1277
NSN 5996-00-576-6214