5120-00-830-9657 (10890222)
NSN 5120-00-830-9657 (NIIN 00-830-9657) is an engine valve seat replacing tool in Federal Supply Class 5120, Hand Tools, Nonedged, Nonpowered. Manufacturer part number 10890222 (U S Army Tank Automotive Command, CAGE 19207).
NIIN assigned January 1962; DEMIL A (none required); export Schedule B 8205.59.9000.