Blk. On wht scale; 120-0-120 rpm; 144x144mm
A tachometer using solid state and/or vacuum tube circuitry.
NSN 5835-00-411-6344
NSN 6220-00-264-6114
NSN 5990-00-147-3144
NSN 5930-01-242-9431
NSN 5925-01-480-3125
NSN 6150-01-202-1005
NSN 6220-00-805-4829
NSN 7035-01-106-3476
NSN 5910-01-501-2659
NSN 5930-01-608-9540
NSN 5920-01-519-2712
NSN 5895-01-390-5764