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 6240-01-095-5421
NSN 5915-00-812-6476
NSN 5925-01-227-4631
NSN 5930-01-149-0663
NSN 5895-01-344-9276
NSN 6650-01-341-9838
NSN 6105-00-291-0154
NSN 5935-01-543-0232
NSN 5905-01-542-8614
NSN 6240-01-126-2980
NSN 5975-01-383-6548
NSN 5935-01-532-8879