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 5998-01-575-7743
NSN 6150-01-020-7881
NSN 6610-00-045-5733
NSN 6240-00-275-1950
NSN 5895-01-219-5183
NSN 5965-00-049-7649
NSN 6150-01-495-0315
NSN 6105-01-068-8143
NSN 5945-01-562-6106
NSN 6645-01-400-2119
NSN 5975-00-660-5962
NSN 5915-00-888-0181