No other part numbers with same form, fit, and function found.
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 5910-01-633-1068
NSN 6110-01-003-9614
NSN 6610-01-327-3187
NSN 6645-01-645-9117
NSN 5905-01-104-2544
NSN 6645-00-189-7075
NSN 6650-00-614-1711
NSN 6145-01-078-2456
NSN 5910-01-158-5003
NSN 5910-01-486-2535
NSN 2925-00-315-8442
NSN 6620-01-335-2443