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 5930-00-821-6570
NSN 6240-01-160-7934
NSN 5996-00-553-7348
NSN 5998-01-273-0124
NSN 5935-00-846-2743
NSN 6620-01-150-5072
NSN 6240-00-899-6990
NSN 5835-00-438-4489
NSN 6610-01-555-8364
NSN 6145-00-378-3836
NSN 5905-01-441-8982
NSN 5945-00-402-1852