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 5998-01-026-5599
NSN 6220-01-634-0660
NSN 5965-01-501-5638
NSN 6220-01-430-7021
NSN 7035-00-225-6499
NSN 5910-01-290-4803
NSN 5960-01-051-1454
NSN 5915-00-485-9114
NSN 5895-00-823-9473
NSN 5965-01-254-6527
NSN 5920-00-161-4564
NSN 5996-00-067-5219