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 6650-01-246-3265
NSN 6110-01-563-2753
NSN 5975-00-690-1080
NSN 6130-01-328-7536
NSN 4140-00-517-7902
NSN 5895-01-124-9251
NSN 5930-01-290-8820
NSN 5960-01-140-4253
NSN 6130-01-232-0854
NSN 5835-00-435-6638
NSN 5925-01-028-4085
NSN 6130-00-558-6112