5120-01-117-4864 (3B1285)
NSN 5120-01-117-4864 (NIIN 01-117-4864) is a socket in Federal Supply Class 5120, Hand Tools, Nonedged, Nonpowered. Manufacturer part number 3B1285 (Caterpillar Inc, CAGE 11083).
NIIN assigned August 1981; DEMIL A (none required); export Schedule B 8204.20.0000.