A conical shaped item (actually a frustum of a cone) with either a stepped, tapered (cone) or spool (one end must be smaller than the other) shaped silhouette between ends, used for aligning a brake drum, on a brake drum lathe, during the turning and/or grinding process. It may fasten to the drum with studs when the drum is without a center bearing.
NSN 6150-00-189-0292
NSN 6135-00-097-8162
NSN 6240-00-583-9863
NSN 5985-01-089-9020
NSN 5990-01-320-1412
NSN 7035-01-310-2587
NSN 5965-00-420-9203
NSN 6145-00-369-3880
NSN 5950-00-636-4290
NSN 6150-01-458-0385
NSN 5965-01-433-6629
NSN 6130-00-592-5800