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 5930-01-020-7171
NSN 5985-00-133-1827
NSN 6130-00-938-1374
NSN 5905-01-035-6591
NSN 6610-01-273-9317
NSN 5945-01-513-9213
NSN 6105-00-702-3889
NSN 5950-01-088-0353
NSN 5910-00-497-8408
NSN 6650-01-578-2208
NSN 5999-00-684-6811
NSN 6150-01-459-6976