A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5920-01-300-6055
NSN 6620-01-039-5468
NSN 5855-00-256-5562
NSN 6110-01-262-4072
NSN 2925-00-524-4688
NSN 5915-01-133-5328
NSN 5855-01-221-4076
NSN 6150-00-366-4113
NSN 5999-00-772-7897
NSN 6685-00-244-1830
NSN 5905-01-062-9084
NSN 5996-00-994-2501