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 5905-01-645-4813
NSN 5996-01-586-0162
NSN 5975-01-420-6902
NSN 7035-01-525-7673
NSN 6135-01-091-6021
NSN 6105-01-400-0895
NSN 5835-01-125-2558
NSN 6135-00-856-1343
NSN 5998-00-415-8000
NSN 6240-01-606-9549
NSN 6240-00-484-5947
NSN 5855-00-189-6066