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 6145-01-030-0991
NSN 5935-01-579-8370
NSN 5895-01-580-5073
NSN 5945-01-261-6750
NSN 5998-00-752-1162
NSN 5996-01-491-0178
NSN 6150-01-503-2361
NSN 7035-01-136-7404
NSN 5895-01-655-5358
NSN 5999-01-321-6195
NSN 6650-01-429-9242
NSN 5935-01-430-0236