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 5960-01-550-7321
NSN 5915-00-456-3448
NSN 5920-01-399-4555
NSN 5985-01-323-7236
NSN 5998-01-392-0057
NSN 6105-00-541-8472
NSN 6110-01-491-8755
NSN 5835-01-595-4099
NSN 5895-01-601-4422
NSN 6135-01-310-9866
NSN 5925-01-097-3632
NSN 5945-00-879-8306