A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 2925-00-684-7708
NSN 6105-01-424-2416
NSN 5965-01-202-1007
NSN 5905-01-122-9025
NSN 6610-01-399-7613
NSN 2925-01-299-6967
NSN 4140-01-100-1223
NSN 5895-01-088-8369
NSN 2925-01-532-8445
NSN 6105-01-199-9380
NSN 6645-00-315-9254
NSN 6645-00-692-2809