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 5835-01-652-4959
NSN 5945-01-517-0534
NSN 5910-01-448-6675
NSN 5996-00-337-8711
NSN 5910-01-478-8132
NSN 5915-01-406-3271
NSN 5930-01-265-0327
NSN 6320-01-301-4699
NSN 5945-01-651-8654
NSN 6110-00-465-9128
NSN 6150-01-654-7308
NSN 6240-00-871-8798