No other part numbers with same form, fit, and function found.
A tachometer using solid state and/or vacuum tube circuitry.
NSN 6135-01-132-6310
NSN 5950-00-601-9673
NSN 6220-00-311-4291
NSN 5960-01-085-4231
NSN 2925-01-199-7394
NSN 5935-00-438-0636
NSN 6650-01-132-6860
NSN 5935-01-331-0581
NSN 6240-01-315-4463
NSN 5965-00-106-3195
NSN 5975-01-355-6408
NSN 5855-01-557-6277