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 5950-01-215-3180
NSN 4140-00-993-0071
NSN 5985-00-492-2041
NSN 6240-01-442-6770
NSN 5985-00-102-5847
NSN 6320-01-185-3857
NSN 5905-00-260-5008
NSN 4140-00-454-3786
NSN 7035-01-258-7661
NSN 5920-01-534-3607
NSN 5985-01-275-5870
NSN 6110-01-319-0259