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 6650-00-964-9470
NSN 2925-00-486-8640
NSN 5945-01-628-6029
NSN 6150-00-370-1256
NSN 5985-01-571-7959
NSN 6685-01-646-0047
NSN 5925-00-296-8123
NSN 5950-01-547-0043
NSN 5960-00-905-3822
NSN 5835-00-752-6065
NSN 5945-01-026-3947
NSN 5930-01-634-0659