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 6620-01-224-4985
NSN 5915-01-413-4784
NSN 7035-01-462-7735
NSN 6220-01-184-3052
NSN 7035-00-679-9027
NSN 7035-00-360-2008
NSN 5985-00-984-3378
NSN 5975-00-445-9926
NSN 5999-01-307-8396
NSN 6240-01-552-8831
NSN 7035-00-349-8571
NSN 5965-01-182-5768