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 5835-00-537-7780
NSN 5920-01-442-7685
NSN 6105-01-538-4026
NSN 5895-00-056-6806
NSN 5935-01-644-5101
NSN 5925-01-456-6944
NSN 5925-01-169-2626
NSN 4140-00-529-7463
NSN 5999-01-421-5739
NSN 5990-01-343-6407
NSN 5855-01-633-6760
NSN 7035-00-312-3055