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 5895-01-340-9822
NSN 6240-00-607-4303
NSN 5925-01-040-0438
NSN 5996-00-204-4324
NSN 4140-01-074-2588
NSN 5965-01-360-6568
NSN 5999-01-202-8707
NSN 6130-00-583-9925
NSN 6110-01-430-2408
NSN 5965-01-334-3980
NSN 5835-01-576-9013
NSN 5930-01-503-2920