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 2925-01-112-8782
NSN 6150-01-495-3302
NSN 5920-00-789-3096
NSN 6620-00-527-9280
NSN 5905-00-473-2730
NSN 6320-00-857-4073
NSN 6135-01-534-3007
NSN 6150-01-274-4903
NSN 4140-01-634-0330
NSN 5998-00-478-9504
NSN 5895-00-017-9582
NSN 5975-01-331-4470