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 6130-01-398-6953
NSN 5960-00-548-7612
NSN 6150-00-331-6351
NSN 5935-00-106-0177
NSN 6645-00-269-2764
NSN 5999-00-233-6366
NSN 5935-01-158-1542
NSN 5910-00-495-4884
NSN 6610-01-386-4582
NSN 5935-01-198-7895
NSN 5945-01-224-7610
NSN 5835-01-310-8979