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 5985-00-670-5660
NSN 6320-01-285-1922
NSN 5950-01-626-1490
NSN 6620-00-216-6416
NSN 5835-01-408-7576
NSN 5895-00-834-1151
NSN 5960-00-852-5651
NSN 6220-01-519-2252
NSN 5930-01-285-9858
NSN 6105-01-600-0366
NSN 5960-01-098-8437
NSN 5930-01-629-6545