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 5999-01-423-7823
NSN 6240-00-658-3207
NSN 5855-01-062-3126
NSN 6320-00-310-1080
NSN 6320-01-285-1922
NSN 5925-00-727-2624
NSN 5945-01-393-9746
NSN 5935-00-969-6349
NSN 4140-01-547-3275
NSN 7035-01-519-6779
NSN 2925-01-035-7699
NSN 5930-01-350-1378