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 6130-01-031-8855
NSN 5895-01-546-8085
NSN 6220-01-030-7338
NSN 6620-00-155-2608
NSN 5935-00-901-8877
NSN 5950-00-735-6161
NSN 5998-01-009-5420
NSN 6610-01-168-7943
NSN 6130-01-260-4213
NSN 5960-01-029-2940
NSN 5855-01-312-5160
NSN 6135-00-823-3034