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 7035-01-056-5350
NSN 7035-00-922-5700
NSN 5990-01-369-6915
NSN 6135-00-097-8162
NSN 4140-01-152-3489
NSN 5920-01-227-1877
NSN 5935-01-449-7449
NSN 5855-00-918-1622
NSN 6105-01-263-8425
NSN 5905-01-430-2541
NSN 5950-01-449-3502
NSN 6610-01-039-0788