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 6320-01-176-8367
NSN 5895-01-106-2916
NSN 6130-01-381-3304
NSN 6130-01-290-2162
NSN 5855-00-149-0766
NSN 5910-01-335-9525
NSN 6240-00-940-0322
NSN 5999-00-222-8606
NSN 5930-00-553-3774
NSN 2925-01-250-2731
NSN 6220-00-827-0227
NSN 5985-01-630-5128