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 5835-01-424-0054
NSN 5910-00-234-0205
NSN 6105-00-175-0207
NSN 6150-00-158-0066
NSN 6685-00-252-3057
NSN 4140-00-927-7992
NSN 5920-00-492-5516
NSN 5910-00-827-1218
NSN 6240-01-082-8798
NSN 5925-01-367-6118
NSN 6110-01-127-2852
NSN 6110-00-910-1314