Heat treated
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 6110-01-416-3665
NSN 6240-00-553-8891
NSN 5935-00-238-0315
NSN 4140-01-580-2166
NSN 5935-00-224-0790
NSN 5975-00-269-8391
NSN 5930-01-548-3421
NSN 5915-00-764-1225
NSN 6220-00-053-5599
NSN 6110-01-089-5874
NSN 5950-00-278-1201
NSN 6620-01-469-6826