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 5895-00-866-9708
NSN 5915-01-018-8112
NSN 7035-01-085-5955
NSN 5915-00-171-1812
NSN 6105-01-068-4366
NSN 6620-00-766-3974
NSN 6150-01-318-1782
NSN 5960-00-170-6447
NSN 5945-00-787-7656
NSN 5985-00-970-1865
NSN 6685-01-444-1496
NSN 6240-00-038-7540