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 6110-01-616-6590
NSN 5920-00-451-2884
NSN 2925-01-201-3043
NSN 6650-00-195-7519
NSN 5915-01-400-6125
NSN 5945-01-451-8166
NSN 6240-01-152-1084
NSN 5835-00-378-1429
NSN 5990-01-154-7296
NSN 6240-01-495-9845
NSN 5905-00-466-3619
NSN 5910-01-581-1270