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 5905-01-512-1898
NSN 5999-00-022-7594
NSN 5930-00-270-4442
NSN 5935-01-212-4698
NSN 5925-01-661-0259
NSN 6130-01-429-2290
NSN 6240-00-368-8541
NSN 6220-01-602-0007
NSN 5895-01-169-2639
NSN 5960-01-364-1318
NSN 6130-01-631-0189
NSN 5975-00-310-1099