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 5975-00-203-1265
NSN 6130-00-962-0510
NSN 5950-00-922-8489
NSN 5935-01-305-8104
NSN 6620-01-519-2628
NSN 5915-01-004-1784
NSN 5945-00-721-3457
NSN 6150-00-562-7728
NSN 5835-00-864-4481
NSN 5996-01-607-4813
NSN 6105-00-098-5516
NSN 4140-01-432-1447