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 5960-01-443-4861
NSN 2925-00-241-2481
NSN 6685-01-289-3710
NSN 5998-01-015-0908
NSN 5935-00-143-1399
NSN 7035-00-902-8995
NSN 5895-00-832-6555
NSN 5950-01-191-2241
NSN 6220-01-189-4922
NSN 5930-00-833-7689
NSN 6320-00-174-1362
NSN 5960-01-503-4123