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 6150-01-652-7368
NSN 5915-01-296-4707
NSN 5930-01-601-3787
NSN 4140-00-797-7765
NSN 6105-01-646-8589
NSN 6220-00-707-5044
NSN 5935-00-118-8409
NSN 5996-00-889-8825
NSN 4140-00-822-2864
NSN 5999-01-191-6709
NSN 5945-01-205-2584
NSN 6645-01-641-4998