A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5975-00-900-9730
NSN 5999-01-436-5228
NSN 5855-01-027-8414
NSN 2925-01-571-6472
NSN 6650-01-544-0366
NSN 6650-01-098-0288
NSN 6135-01-534-3007
NSN 6685-01-181-3125
NSN 5855-00-117-0857
NSN 6685-01-181-6232
NSN 5925-01-025-0322
NSN 5910-00-067-6743