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 5996-01-612-3403
NSN 6110-01-254-1562
NSN 5996-00-399-0731
NSN 6110-00-669-6726
NSN 5895-01-471-3851
NSN 5935-01-473-9220
NSN 5855-01-035-2866
NSN 5960-01-481-8051
NSN 6645-01-070-1210
NSN 6620-01-605-2590
NSN 5855-01-593-0822
NSN 6240-01-249-5182