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 5915-00-651-4665
NSN 5999-01-386-4454
NSN 5935-01-535-6263
NSN 5910-01-417-3160
NSN 6685-01-253-2056
NSN 6610-01-391-3509
NSN 5999-01-279-8640
NSN 5905-01-596-6967
NSN 5915-00-860-5702
NSN 6105-00-149-7956
NSN 5920-01-214-4506
NSN 5999-00-422-0562