A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5960-00-222-6174
NSN 5925-01-615-1181
NSN 6220-01-244-2411
NSN 6240-00-263-0549
NSN 5990-00-093-6794
NSN 6130-01-500-1846
NSN 6220-00-629-8265
NSN 5985-01-203-1503
NSN 6150-01-446-8777
NSN 5915-01-429-9287
NSN 6135-01-019-7687
NSN 5895-00-176-5545