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 5930-01-630-5748
NSN 4140-01-225-8599
NSN 5855-01-217-6857
NSN 5895-01-444-2620
NSN 6150-00-433-1104
NSN 5985-00-059-4588
NSN 5915-01-450-9285
NSN 5905-00-494-9914
NSN 6145-01-451-5609
NSN 2925-00-110-7975
NSN 4140-01-202-5600
NSN 5985-00-438-9110