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 6110-01-292-1188
NSN 5925-00-650-1069
NSN 5925-01-269-7181
NSN 5960-00-188-8648
NSN 6110-01-505-2074
NSN 5990-01-492-4837
NSN 5960-01-167-8796
NSN 5855-00-055-1694
NSN 5965-01-458-8669
NSN 6130-00-635-6182
NSN 6645-00-225-2742
NSN 5925-01-282-0018