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 6105-01-094-7909
NSN 6610-01-612-9890
NSN 5930-00-584-2446
NSN 6610-01-472-2757
NSN 5945-01-553-4817
NSN 6645-01-453-6184
NSN 6130-00-155-5873
NSN 5925-01-025-0322
NSN 5920-01-221-6905
NSN 5960-01-061-9166
NSN 6620-01-068-4498
NSN 5835-01-544-5183