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 5935-01-613-1395
NSN 5925-00-529-3950
NSN 5985-01-615-7571
NSN 6110-01-144-9744
NSN 5835-01-550-5094
NSN 5960-01-137-2329
NSN 6150-01-290-4646
NSN 5975-00-681-5900
NSN 6645-01-056-5291
NSN 6610-00-764-4015
NSN 6130-00-151-5001
NSN 5985-01-055-6688