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 5975-00-754-4142
NSN 6105-01-479-5494
NSN 5998-01-655-3817
NSN 5930-01-572-0622
NSN 5835-01-464-2662
NSN 5910-00-162-4287
NSN 5855-01-537-3481
NSN 5935-01-131-8488
NSN 5925-01-433-1633
NSN 5960-00-156-0702
NSN 2925-01-543-0073
NSN 5950-01-175-8397