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 7035-01-094-2365
NSN 5960-00-968-7370
NSN 5930-01-130-3934
NSN 6135-00-209-6918
NSN 5945-00-572-2098
NSN 6320-01-547-9877
NSN 5945-00-136-2507
NSN 6240-00-146-9322
NSN 5920-00-333-9977
NSN 5915-01-186-8081
NSN 6610-01-362-7208
NSN 6650-01-062-0828