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 5835-01-618-6485
NSN 5920-00-422-0139
NSN 5925-01-135-7038
NSN 5920-01-360-8310
NSN 2925-01-457-5649
NSN 5925-01-321-1389
NSN 5835-01-574-0080
NSN 6685-00-274-5533
NSN 5855-00-832-9341
NSN 5835-00-034-4976
NSN 6650-00-914-6897
NSN 5895-01-098-3691