3460-01-015-8425 (MIL-W-17929)
NSN 3460-01-015-8425 (NIIN 01-015-8425) is an abrasive wheel in Federal Supply Class 3460, Machine Tool Accessories — a rigid piece of abrasive with or without mounting facilities. Manufacturer part number MIL-W-17929 (Military Specifications, CAGE 81349); also referenced as B7.1, B74.13 3-1/2X1/2X1/2, B74.2 (American National Standards).
NIIN assigned January 1976; DEMIL A (none required); unit of issue EA (each), $7.41 gov standard price; export Schedule B 8466.93.3050.