A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6105-00-691-2209
NSN 4140-01-499-4244
NSN 6135-01-593-5295
NSN 5996-01-560-7423
NSN 5930-01-122-1980
NSN 5920-01-593-8848
NSN 5975-01-411-7724
NSN 5935-01-512-2094
NSN 6685-00-184-3894
NSN 6650-01-024-9554
NSN 5999-01-569-5345
NSN 7035-01-561-8738