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 5990-01-199-4832
NSN 5895-01-147-5204
NSN 5925-01-510-1138
NSN 5855-00-114-4954
NSN 5925-00-299-1677
NSN 5950-01-182-8135
NSN 6240-01-424-0980
NSN 5910-01-633-9963
NSN 6320-00-382-7825
NSN 6145-01-463-2835
NSN 5835-00-269-2232
NSN 5935-01-152-2677