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 5990-00-501-4994
NSN 5895-01-312-8588
NSN 5935-00-442-9588
NSN 6130-00-452-1486
NSN 5855-01-010-4921
NSN 5835-00-357-9544
NSN 5985-01-483-6108
NSN 5965-01-462-9340
NSN 6685-01-227-6785
NSN 6620-01-283-1338
NSN 6240-01-032-5105
NSN 6220-00-816-8131