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 6320-00-116-3658
NSN 6145-01-296-2096
NSN 5895-01-246-1769
NSN 5945-01-451-3501
NSN 5925-00-517-8512
NSN 5855-01-291-6790
NSN 2925-00-412-2046
NSN 6320-00-456-2092
NSN 5998-01-065-6754
NSN 6150-00-939-4731
NSN 6135-01-142-6456
NSN 6645-00-464-6375