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 6105-01-509-7399
NSN 5855-01-325-9507
NSN 6320-01-446-8050
NSN 6610-01-365-0971
NSN 6130-01-652-9978
NSN 2925-00-041-0439
NSN 5935-00-721-0070
NSN 6150-00-238-6204
NSN 5960-01-582-6167
NSN 7035-01-256-3973
NSN 6130-00-625-7519
NSN 7035-01-334-5855