A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6685-01-179-7025
NSN 6320-01-240-4637
NSN 5910-00-271-7588
NSN 6645-00-144-4868
NSN 6610-01-655-4737
NSN 6110-01-397-1332
NSN 5960-00-436-6269
NSN 6220-01-656-0483
NSN 5975-00-952-1791
NSN 6220-01-444-7668
NSN 5985-00-966-6338
NSN 5910-01-387-0752