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 5965-01-165-9787
NSN 5960-01-628-2760
NSN 5930-01-089-5335
NSN 5935-00-161-7400
NSN 5990-00-519-5758
NSN 5985-01-533-5416
NSN 5935-00-079-0722
NSN 5999-01-245-8500
NSN 6110-00-518-2998
NSN 5855-01-145-2457
NSN 6645-01-152-5207
NSN 6685-01-398-0653