No other part numbers with same form, fit, and function found.
A tachometer using solid state and/or vacuum tube circuitry.
NSN 5915-01-360-5247
NSN 6110-01-279-1992
NSN 5998-01-196-5068
NSN 5960-01-423-2511
NSN 6650-01-419-0286
NSN 5960-00-692-2887
NSN 5950-00-819-0231
NSN 5910-01-394-3729
NSN 5960-00-736-8568
NSN 2925-01-079-6229
NSN 5895-00-334-0142
NSN 5855-01-268-6468