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 5960-01-567-1096
NSN 6150-00-292-8778
NSN 5998-01-018-5105
NSN 4140-00-912-0794
NSN 5930-01-194-7798
NSN 5960-01-104-7839
NSN 5935-01-348-7361
NSN 5920-01-477-7221
NSN 5965-01-455-9965
NSN 6110-00-789-3730
NSN 5998-00-881-9781
NSN 5925-01-430-4196