A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 2925-01-103-9419
NSN 5930-01-435-4145
NSN 5990-00-316-8872
NSN 5996-00-065-3400
NSN 6320-01-592-6248
NSN 5945-01-551-2804
NSN 2925-01-067-0123
NSN 5935-01-384-6985
NSN 5910-01-181-6650
NSN 6135-01-484-8637
NSN 5999-01-515-9037
NSN 6135-01-220-7193