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 6320-01-527-0211
NSN 5965-01-633-8849
NSN 7035-01-330-4799
NSN 6130-01-634-0603
NSN 5920-00-062-3032
NSN 5945-00-957-9127
NSN 6150-01-186-3973
NSN 6145-00-945-6429
NSN 5950-00-467-9318
NSN 5960-01-437-7422
NSN 5960-00-167-0397
NSN 6610-01-359-0008