A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6220-00-222-7426
NSN 6110-01-294-7827
NSN 5945-00-466-0582
NSN 6240-00-734-3276
NSN 5999-01-490-4309
NSN 5990-01-507-1479
NSN 6150-01-163-7820
NSN 5915-00-112-0947
NSN 5895-01-521-3014
NSN 5998-01-218-8651
NSN 5950-01-363-2147
NSN 5985-01-232-9241