5120-00-511-8023 (8011140)
NSN 5120-00-511-8023 (NIIN 00-511-8023) is a socket head screw key in Federal Supply Class 5120, Hand Tools, Nonedged, Nonpowered — a hand tool designed to impart a rotary movement of force for installing or removing socket screw products. Manufacturer part number 8011140 (Us Army Aviation And Missile Command, CAGE 18876).
Key specs: replaceable wrenching feature; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8204.20.0000.