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 5925-01-605-1810
NSN 5930-01-396-7435
NSN 5965-01-523-2240
NSN 5895-01-537-3939
NSN 6645-01-214-2561
NSN 5895-00-467-5032
NSN 5855-01-149-4110
NSN 6105-01-376-4383
NSN 5920-01-496-4617
NSN 6240-01-461-5966
NSN 5835-00-711-3371
NSN 6620-00-471-9732