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 6610-01-141-9979
NSN 6105-01-155-0160
NSN 5835-01-485-0210
NSN 6220-00-139-9138
NSN 6110-01-461-9617
NSN 6105-00-374-8743
NSN 6240-01-503-8543
NSN 2925-00-143-5859
NSN 5895-00-515-6368
NSN 5945-01-559-1631
NSN 5965-00-372-2537
NSN 4140-01-207-3577