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 6135-01-272-6039
NSN 5975-00-105-1316
NSN 5965-01-460-9743
NSN 6685-00-484-2178
NSN 5965-01-575-6067
NSN 6150-01-251-2440
NSN 6145-01-360-4335
NSN 6145-01-063-6486
NSN 6645-00-127-3835
NSN 5895-00-462-6987
NSN 5835-01-466-5496
NSN 5925-01-004-9293