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 7035-01-606-9692
NSN 5985-01-446-1427
NSN 5935-00-632-8414
NSN 5910-00-300-3215
NSN 5905-01-634-0595
NSN 4140-01-027-6020
NSN 6135-01-350-1715
NSN 5930-00-656-8173
NSN 5915-01-325-3277
NSN 5945-00-216-7432
NSN 2925-01-586-9280
NSN 6145-01-309-5590