3460-00-528-2990 (MIL-W-17663)
NSN 3460-00-528-2990 (NIIN 00-528-2990) 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-17663 (Military Specifications, CAGE 81349); also referenced as B7.1, B74.13 TYPE B41 A110OV, B74.2 5/8 X 5/8 X 1/4 (American National Standards).
NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $2.80 gov standard price; export Schedule B 8466.93.3050; ships at 0.01 lb / 0.0002 cu ft.