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 5985-01-032-1674
NSN 5935-01-247-8403
NSN 6145-01-177-7577
NSN 6135-01-528-2830
NSN 6220-00-762-8944
NSN 6685-00-176-3151
NSN 5930-01-395-7054
NSN 5930-01-125-5025
NSN 5925-00-770-4068
NSN 5930-01-617-4843
NSN 5945-00-428-3668
NSN 6110-01-152-6313