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 5930-01-176-6475
NSN 5965-01-304-7179
NSN 5930-01-048-3677
NSN 6220-00-349-2594
NSN 6110-01-381-9287
NSN 5985-01-361-4552
NSN 6610-00-256-8006
NSN 5985-01-587-1317
NSN 5895-01-238-9515
NSN 5960-00-390-9789
NSN 5998-00-759-5454
NSN 5935-01-618-2211