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 5960-01-502-3268
NSN 5915-01-028-6580
NSN 6240-01-367-8749
NSN 5996-01-410-8538
NSN 5985-01-090-0098
NSN 5920-00-507-5105
NSN 5895-01-317-9294
NSN 5930-00-483-0473
NSN 6105-00-659-3890
NSN 6105-01-355-1262
NSN 5835-00-583-1316
NSN 6110-00-889-1263