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 5945-01-366-0164
NSN 5985-00-346-2139
NSN 5960-01-013-9346
NSN 6150-00-123-2166
NSN 6150-01-342-5217
NSN 5960-01-470-1579
NSN 5965-01-442-0490
NSN 6150-00-611-2840
NSN 5990-00-254-4825
NSN 5960-01-469-7484
NSN 5985-00-018-3325
NSN 5998-01-223-4234