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 5920-01-467-8001
NSN 5915-00-518-0851
NSN 5905-00-816-8749
NSN 5950-01-232-0347
NSN 6240-01-560-4178
NSN 5985-00-782-0423
NSN 6145-00-033-2997
NSN 5999-01-038-4096
NSN 6150-01-435-8822
NSN 5990-00-459-5752
NSN 6145-01-147-4968
NSN 5945-01-310-9443