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 6645-01-457-8642
NSN 5975-01-525-8075
NSN 5998-01-069-9981
NSN 7035-00-570-4100
NSN 6240-01-142-2963
NSN 5985-01-521-2625
NSN 5950-01-451-5642
NSN 5925-01-446-4792
NSN 6105-00-867-3431
NSN 5930-01-153-2667
NSN 6135-00-866-2311
NSN 5935-00-275-0170