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 5945-00-706-0828
NSN 5910-01-463-6664
NSN 5910-01-408-4622
NSN 6105-00-202-2469
NSN 6220-01-317-8812
NSN 5930-01-223-5157
NSN 6150-01-547-2486
NSN 5975-00-636-4910
NSN 6135-00-299-6918
NSN 5935-01-591-9769
NSN 5835-00-427-2772
NSN 5930-01-225-2542