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 6105-01-287-5500
NSN 6220-00-296-4101
NSN 5905-00-004-0200
NSN 5855-01-495-2670
NSN 5895-01-127-6800
NSN 2925-01-633-4048
NSN 6150-01-245-2922
NSN 4140-01-413-4803
NSN 5945-01-410-7341
NSN 6240-00-646-6931
NSN 6135-00-702-2772
NSN 5999-01-240-8246