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 5998-00-951-3999
NSN 6620-00-299-2530
NSN 6685-00-451-3274
NSN 6150-01-183-5422
NSN 6685-01-545-4140
NSN 5975-00-934-8885
NSN 5985-00-942-7882
NSN 5910-01-392-6267
NSN 7035-00-270-5519
NSN 5930-01-522-3538
NSN 4140-00-660-8699
NSN 6110-00-840-6560