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 5895-00-757-5367
NSN 6110-01-259-2840
NSN 5935-01-599-1240
NSN 6150-01-019-3840
NSN 5915-01-028-4466
NSN 5990-01-482-5950
NSN 6320-01-094-2634
NSN 6135-01-430-3119
NSN 5945-00-372-3586
NSN 6105-00-268-2878
NSN 6650-00-269-5000
NSN 5855-00-560-0110