A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5835-01-111-9838
NSN 6110-01-448-0702
NSN 5910-01-335-6449
NSN 2925-01-113-6904
NSN 5950-01-241-0603
NSN 6685-01-599-8468
NSN 2925-00-435-5604
NSN 5905-01-370-4392
NSN 6135-01-282-4326
NSN 5999-01-369-8950
NSN 5996-01-074-7733
NSN 6145-00-160-7796