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 6650-01-481-3618
NSN 5855-00-930-9478
NSN 5915-01-366-0031
NSN 6145-00-011-2390
NSN 6110-00-969-9487
NSN 5950-01-264-0129
NSN 5965-01-365-0101
NSN 5930-01-106-9868
NSN 5910-00-528-4311
NSN 5990-01-583-2870
NSN 6610-00-664-2190
NSN 5996-00-518-0460