2520-00-773-5685 (1220F32)
NSN 2520-00-773-5685 (NIIN 00-773-5685) is a tube nut lock in Federal Supply Class 2520, Vehicular Power Transmission Components. Manufacturer part number 1220F32 (Meritor Heavy Vehicle Systems, LLC, CAGE 78500); also referenced as 7735685 (U S Army Tank Automotive Command).
NIIN assigned January 1962; DEMIL A (none required); export Schedule B 8483.90.9500. Supersedes 2520-00-321-6529 (1963).