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 5855-00-256-5562
NSN 5960-00-853-6452
NSN 5920-00-082-8331
NSN 6110-01-044-7884
NSN 5935-01-414-3951
NSN 5945-00-139-4392
NSN 5935-01-122-9169
NSN 5835-00-834-1286
NSN 5925-01-622-3506
NSN 6320-00-422-1773
NSN 5855-01-068-3683
NSN 5945-01-108-9317