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 6320-01-275-3972
NSN 5990-01-244-9998
NSN 5895-01-328-8045
NSN 5990-00-083-7130
NSN 6685-01-194-9975
NSN 5998-00-430-8965
NSN 7035-01-132-7209
NSN 7035-01-338-9127
NSN 5985-01-358-8141
NSN 6220-00-553-4048
NSN 5990-00-686-5868
NSN 2925-01-317-6973