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 5935-00-501-0312
NSN 5998-01-630-9054
NSN 5999-00-351-3845
NSN 5999-01-227-5322
NSN 5945-00-338-1387
NSN 5855-01-222-6065
NSN 5985-00-419-0342
NSN 7035-01-072-3451
NSN 6105-01-634-0322
NSN 5835-01-370-8912
NSN 6150-00-291-8319
NSN 5925-00-708-1605