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 5960-01-605-9921
NSN 6150-00-905-1744
NSN 5895-00-269-3848
NSN 5945-01-451-8441
NSN 5935-01-634-0668
NSN 5960-01-564-5044
NSN 5965-01-026-9865
NSN 5998-00-596-9568
NSN 6650-01-048-6757
NSN 5998-00-306-4453
NSN 5999-01-314-8289
NSN 6610-01-042-8621