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 6650-01-519-9165
NSN 5930-01-070-6029
NSN 5990-00-106-6609
NSN 5999-00-280-1706
NSN 6240-01-142-2963
NSN 6620-01-550-6059
NSN 6130-01-140-5922
NSN 5905-01-422-4939
NSN 6150-00-081-9928
NSN 5998-01-376-5620
NSN 5910-01-364-0317
NSN 5998-01-201-1315