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 5930-00-207-9422
NSN 6240-00-269-3346
NSN 6110-01-461-2631
NSN 6135-01-032-8887
NSN 6610-01-338-8531
NSN 5915-00-951-0065
NSN 6610-01-085-0804
NSN 5910-00-739-2521
NSN 5996-01-498-0653
NSN 5930-01-541-2537
NSN 5920-01-316-5860
NSN 6685-01-306-0704