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 5925-00-495-9569
NSN 5855-00-832-9341
NSN 6620-00-193-9503
NSN 5915-00-501-8579
NSN 6105-01-248-1702
NSN 5999-01-463-3390
NSN 2925-00-254-9776
NSN 6110-01-562-1435
NSN 6685-01-118-7117
NSN 5935-01-572-5947
NSN 5895-01-322-7687
NSN 6610-01-237-5815