A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5920-01-310-8120
NSN 6645-01-643-2558
NSN 5910-00-554-1422
NSN 6650-00-313-4172
NSN 5855-00-013-1244
NSN 5960-01-506-7039
NSN 5935-01-181-5678
NSN 5998-00-279-2023
NSN 5999-00-609-7413
NSN 6240-01-517-6086
NSN 5930-01-206-4626
NSN 5855-01-064-8961