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 5960-00-040-9989
NSN 5915-01-180-0344
NSN 6110-00-376-4834
NSN 5930-01-062-1560
NSN 6145-01-073-3766
NSN 5905-01-566-3218
NSN 6320-01-411-1353
NSN 5990-01-348-9829
NSN 5998-01-081-4607
NSN 6105-00-950-0747
NSN 5960-01-128-0850
NSN 6685-00-242-2224