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 5915-00-745-7619
NSN 7035-00-104-7613
NSN 5985-00-732-9651
NSN 5930-00-567-0973
NSN 6130-00-843-0929
NSN 6145-01-559-4423
NSN 5905-00-456-1319
NSN 6650-00-532-8125
NSN 6145-00-889-9764
NSN 5935-01-202-8415
NSN 6110-01-027-8720
NSN 5985-00-422-5337