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 5996-00-070-4315
NSN 5915-01-165-7409
NSN 6320-00-139-1090
NSN 6105-00-664-1292
NSN 4140-01-544-6306
NSN 2925-01-492-0159
NSN 6240-00-727-2457
NSN 5975-00-288-5877
NSN 6130-01-415-2870
NSN 5985-01-513-9930
NSN 6610-00-089-6950
NSN 5925-01-132-8569