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 5985-01-087-7707
NSN 6105-01-324-3806
NSN 6135-01-407-0594
NSN 5996-01-146-2311
NSN 5835-00-711-3371
NSN 5999-01-279-1002
NSN 5998-00-275-2145
NSN 5835-00-908-8327
NSN 5960-00-088-4341
NSN 6145-00-943-5482
NSN 6135-01-116-3385
NSN 5998-00-163-4978