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 6620-01-017-8765
NSN 5945-01-169-4561
NSN 4140-00-484-1137
NSN 5910-01-331-7589
NSN 5855-00-779-2854
NSN 6620-01-350-5103
NSN 5930-00-255-6218
NSN 5975-01-612-6990
NSN 6685-01-360-9678
NSN 5965-01-330-4042
NSN 5975-00-056-5577
NSN 5910-01-194-5425