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 5835-01-623-3328
NSN 5945-01-360-1463
NSN 6135-00-235-1938
NSN 6685-01-532-4278
NSN 6130-00-944-9556
NSN 6110-01-053-6492
NSN 5935-01-322-2257
NSN 5999-00-444-2300
NSN 6130-00-788-8472
NSN 5910-01-605-1469
NSN 6685-00-252-0689
NSN 5960-00-469-1126