A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5910-00-449-6920
NSN 5965-00-605-8239
NSN 5920-01-323-5782
NSN 6685-00-285-3272
NSN 5930-01-364-9796
NSN 5905-00-504-6770
NSN 5985-00-494-0812
NSN 6650-01-023-7002
NSN 5975-00-326-9075
NSN 6150-01-409-2858
NSN 2925-01-509-3783
NSN 6145-01-438-9732