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 6645-01-305-9135
NSN 6105-01-412-0811
NSN 6320-00-583-3105
NSN 6650-00-292-9106
NSN 5915-00-959-5454
NSN 6145-01-182-9200
NSN 5925-01-021-7669
NSN 5920-00-985-2647
NSN 5930-01-355-6893
NSN 6135-01-483-1501
NSN 5935-01-472-3060
NSN 6105-01-329-3533