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 6240-00-102-4003
NSN 5945-01-265-8586
NSN 5895-00-221-1315
NSN 7035-01-027-2259
NSN 5935-00-533-5780
NSN 5945-00-815-1281
NSN 5985-01-538-9310
NSN 5905-00-961-1621
NSN 5855-01-364-1005
NSN 5935-01-008-4187
NSN 5895-01-532-8363
NSN 6150-01-400-4211