A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 5835-00-251-9138
NSN 5996-01-130-5128
NSN 6105-01-536-6709
NSN 2925-01-097-0903
NSN 6135-01-554-4281
NSN 5945-01-291-2833
NSN 5985-01-137-1031
NSN 6105-01-212-4200
NSN 5975-00-238-4521
NSN 6610-00-147-3187
NSN 2925-01-408-6205
NSN 7035-00-529-3128