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 6685-01-472-2932
NSN 4140-00-072-0865
NSN 6610-01-107-2658
NSN 6130-01-296-4903
NSN 5930-00-114-5670
NSN 5910-01-491-0861
NSN 5905-00-880-4209
NSN 5998-01-026-0500
NSN 6150-00-269-5017
NSN 5990-00-258-0228
NSN 5835-00-080-8213
NSN 5945-01-398-1192