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 6610-01-412-0058
NSN 5895-01-316-8818
NSN 6320-01-421-3777
NSN 5930-01-435-8547
NSN 5960-01-414-8918
NSN 5998-00-501-8078
NSN 6130-00-050-0859
NSN 6240-01-345-0526
NSN 5965-01-582-6219
NSN 6220-00-188-7525
NSN 4140-00-244-2365
NSN 2925-00-765-4871