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 2925-01-501-1104
NSN 6620-01-345-9488
NSN 6150-01-573-0558
NSN 6220-00-092-7758
NSN 5996-01-605-3377
NSN 5895-01-275-0845
NSN 6150-01-614-8828
NSN 5920-01-044-5621
NSN 6130-01-102-1990
NSN 5998-00-081-1454
NSN 6110-00-695-2713
NSN 5905-01-255-6134