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 6150-00-815-5984
NSN 2925-01-411-4666
NSN 5960-01-595-6515
NSN 6610-00-244-6741
NSN 5920-00-471-9049
NSN 6610-01-321-4688
NSN 6135-00-660-8654
NSN 5990-01-204-4874
NSN 5905-01-422-3229
NSN 6130-01-572-2676
NSN 5855-01-392-1110
NSN 5990-01-529-6347