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 6145-01-634-0388
NSN 6110-01-094-7661
NSN 6610-01-016-3566
NSN 5985-00-353-6339
NSN 6685-01-467-0063
NSN 6145-01-579-4395
NSN 4140-01-414-0675
NSN 5975-00-984-6582
NSN 6110-01-519-5549
NSN 5930-01-366-5045
NSN 6610-01-459-8192
NSN 6130-00-481-4449