Heat treated
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 6110-01-392-0498
NSN 5930-01-524-6245
NSN 5855-01-557-9470
NSN 5895-01-321-3048
NSN 5905-01-275-3102
NSN 6150-01-462-5790
NSN 5910-00-094-6454
NSN 5835-01-155-0786
NSN 5998-01-388-2388
NSN 5925-01-536-7650
NSN 5930-01-382-4926
NSN 5920-00-977-5854