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 5835-01-629-2044
NSN 5999-01-038-1424
NSN 6240-01-139-3377
NSN 5925-01-176-3153
NSN 6105-01-261-2367
NSN 5895-00-529-7547
NSN 5905-01-148-5364
NSN 5965-01-290-7085
NSN 6650-01-063-7714
NSN 4140-00-620-7379
NSN 6220-01-273-0177
NSN 6240-00-646-6931