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 6150-00-189-6100
NSN 5945-00-889-1494
NSN 6220-00-489-8571
NSN 5855-00-014-5008
NSN 5998-01-343-1565
NSN 5910-01-583-0642
NSN 6135-00-203-9645
NSN 5935-00-340-7590
NSN 5965-01-104-8559
NSN 6610-01-314-7964
NSN 5895-01-315-1172
NSN 5835-00-193-8951