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 6650-01-189-7040
NSN 5925-00-080-2163
NSN 5835-00-930-8500
NSN 5920-01-629-5424
NSN 7035-00-727-4068
NSN 5935-01-085-7035
NSN 5895-00-407-4323
NSN 5915-01-400-6125
NSN 5930-01-391-1529
NSN 5895-00-480-5892
NSN 5915-00-104-9653
NSN 6610-01-486-4522