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 5835-01-521-4979
NSN 5975-00-834-1094
NSN 5985-00-518-1748
NSN 7035-01-227-7492
NSN 6110-01-125-6654
NSN 6150-01-343-2755
NSN 6645-01-400-2119
NSN 6130-01-057-2610
NSN 6685-01-624-3311
NSN 5965-01-359-5501
NSN 6135-00-231-7257
NSN 5930-01-523-1060