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 6135-00-756-6149
NSN 5945-00-078-1809
NSN 6240-01-157-0636
NSN 5999-00-032-9604
NSN 6145-01-054-3874
NSN 5999-01-534-1424
NSN 5935-01-270-8115
NSN 6620-01-350-5103
NSN 5960-00-983-7232
NSN 6610-01-406-6696
NSN 5996-00-984-7641
NSN 5895-01-641-9938