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 6105-01-271-4922
NSN 6105-00-159-0723
NSN 6645-01-180-6219
NSN 6610-01-139-4713
NSN 5930-01-559-9627
NSN 6135-00-756-6149
NSN 5855-01-461-7726
NSN 5925-00-603-8077
NSN 2925-00-152-1825
NSN 5895-01-475-2207
NSN 5920-00-480-9754
NSN 5990-01-069-4604