Dial mask possess 0.750 in. O/a diameter hole in the very center and slot is located aporoximately 1.250 in. From center of dial mask and slot is 0.375 in. O/a lg, black mask, white graduations
An item specifically designed to be used with a multiscale dial or sector of a measuring device to limit, open or close the observation of the scale (s), or dial (s) desired. it is usually flat and contains one or more observation slots. It may be hinged or otherwise moved by rotary or straight-line motion to expose the scale or scales required for observation.
NSN 6685-01-147-9277
NSN 4140-00-122-2431
NSN 4140-01-451-4180
NSN 5960-01-537-8161
NSN 6685-01-484-1485
NSN 5960-00-665-5180
NSN 5910-00-156-0993
NSN 6320-01-429-9871
NSN 5950-01-069-2784
NSN 5945-01-350-3649
NSN 5975-00-099-9312
NSN 5945-00-529-0409