A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.
NSN 6220-01-383-9236
NSN 5996-01-642-5575
NSN 5895-01-628-1590
NSN 5975-01-160-8617
NSN 6240-00-872-3365
NSN 6645-01-607-5999
NSN 6320-01-449-1014
NSN 6240-00-498-5971
NSN 7035-01-258-7661
NSN 6135-00-932-3136
NSN 6685-00-924-2288
NSN 5990-01-362-7532