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 5925-01-595-2421
NSN 5960-00-446-5040
NSN 5905-01-252-6881
NSN 6240-01-512-1856
NSN 6150-01-198-1207
NSN 5915-00-933-5658
NSN 6145-00-296-0085
NSN 2925-01-485-8304
NSN 6135-00-112-8637
NSN 6610-00-516-4228
NSN 5935-01-593-4380
NSN 6685-00-830-1574