3 3/8" housing diameter; programmable signal input; brass bezel, black plated; without engine hourmeter
No other part numbers with same form, fit, and function found.
A tachometer using solid state and/or vacuum tube circuitry.
NSN 6135-00-896-3187
NSN 6145-00-630-9004
NSN 5965-00-605-8239
NSN 5998-01-111-7497
NSN 6150-01-010-5469
NSN 5965-01-175-4839
NSN 5945-00-615-9218
NSN 6130-01-544-1741
NSN 5950-01-106-3000
NSN 5910-01-327-3532
NSN 5945-01-651-6670
NSN 5945-01-113-9532