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 6105-00-514-0884
NSN 6220-01-282-9966
NSN 6645-00-102-0015
NSN 7035-01-429-7954
NSN 5910-00-112-6813
NSN 2925-00-957-7329
NSN 6110-01-120-5984
NSN 2925-00-144-6405
NSN 2925-00-210-3873
NSN 5920-00-717-6839
NSN 5925-01-411-6028
NSN 5950-01-224-5636