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 5965-01-533-7687
NSN 6240-01-123-0968
NSN 2925-01-089-6269
NSN 6105-01-656-5971
NSN 5945-00-888-8764
NSN 5935-01-291-8199
NSN 5930-01-607-9243
NSN 5895-00-902-1415
NSN 5925-00-253-4255
NSN 5996-01-422-8103
NSN 6320-01-170-4068
NSN 6145-00-923-8127