5120-00-595-8149 (8020591)
NSN 5120-00-595-8149 (NIIN 00-595-8149) is a socket wr screwdriver attachment in Federal Supply Class 5120, Hand Tools, Nonedged, Nonpowered — an attachment designed to fit over the square external drive end of a handle, socket wrench. Manufacturer part number 8020591 (Us Army Aviation And Missile Command, CAGE 18876).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8204.20.0000.