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 5905-00-191-3679
NSN 5925-01-500-4263
NSN 5925-00-683-7877
NSN 5895-00-111-0425
NSN 5999-01-299-3599
NSN 6320-01-278-2359
NSN 5915-00-189-1067
NSN 5925-01-026-0891
NSN 6105-01-543-5977
NSN 7035-01-413-6697
NSN 5915-01-578-6153
NSN 5985-01-571-9789