Heat treated
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 5855-00-014-5008
NSN 6145-00-140-1605
NSN 6610-00-606-8597
NSN 6135-01-518-9813
NSN 6105-01-526-2878
NSN 6135-01-643-9081
NSN 5999-01-381-4049
NSN 5998-00-314-5724
NSN 6135-01-069-2482
NSN 6220-01-500-9126
NSN 7035-00-009-8705
NSN 5835-01-442-6079