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 5930-01-588-2707
NSN 5965-00-856-0552
NSN 2925-00-180-2532
NSN 5935-01-302-4076
NSN 5895-01-179-8649
NSN 5895-01-388-2920
NSN 6610-01-469-6235
NSN 6105-01-298-3309
NSN 5996-01-434-5657
NSN 5990-01-378-1444
NSN 5925-00-103-1738
NSN 6150-01-142-8549