A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6220-00-288-4350
NSN 5998-01-326-5727
NSN 5935-01-131-9499
NSN 5935-01-079-3751
NSN 5975-01-412-8668
NSN 5998-01-658-2681
NSN 5905-00-048-7903
NSN 5910-00-475-6473
NSN 5920-01-607-8055
NSN 5998-01-054-7325
NSN 6145-01-169-9657
NSN 5950-00-262-2259