A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 5975-01-426-8968
NSN 5920-01-617-8857
NSN 6645-01-421-2445
NSN 6130-01-454-5794
NSN 5985-00-833-3718
NSN 6685-01-047-9355
NSN 5960-01-632-6576
NSN 5985-01-439-7239
NSN 5950-01-105-6700
NSN 5835-01-359-2575
NSN 5915-01-023-8930
NSN 5990-00-378-1449