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 7035-01-348-5153
NSN 5905-01-274-1242
NSN 6620-01-360-4725
NSN 7035-01-500-3970
NSN 6645-01-400-1137
NSN 5855-01-201-4857
NSN 5920-01-341-3941
NSN 5915-01-163-4332
NSN 6130-01-186-6575
NSN 5915-01-633-9845
NSN 6610-01-038-5560
NSN 5835-00-707-6266