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 7035-00-155-9513
NSN 6240-00-838-9030
NSN 5905-00-362-0661
NSN 5895-01-445-5526
NSN 6240-01-050-9156
NSN 5985-01-476-8182
NSN 2925-01-437-9041
NSN 6620-01-395-0651
NSN 5915-00-246-8709
NSN 5935-01-455-7787
NSN 4140-01-173-7867
NSN 5910-01-633-9963