A circular plate having concentric rings, each with a different number of dark segments, closed sectors, or holes. When the circular plate is placed on a rotating shaft and illuminated with a known frequency from a flashing discharge tube, it will indicate the instantaneous speed of the rotating object.
Classification: Parts and accessories of articles of schedule b subheading 9030, nesoi
NSN 5935-00-848-5457
NSN 5905-01-061-4614
NSN 5965-00-518-0958
NSN 6685-01-595-1058
NSN 5915-01-418-1843
NSN 5855-00-763-2155
NSN 5915-01-252-8683
NSN 5895-01-547-8219
NSN 5965-00-424-9636
NSN 5935-01-351-0523
NSN 4140-01-100-1223
NSN 6130-00-566-0347