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 5960-01-238-5046
NSN 6130-01-551-3100
NSN 2925-01-100-3694
NSN 6610-01-246-4164
NSN 6645-01-283-5387
NSN 5960-00-165-1015
NSN 6645-01-585-2264
NSN 5835-01-371-8759
NSN 6685-01-456-6664
NSN 5915-01-273-8922
NSN 5915-01-364-7917
NSN 6105-01-072-8081