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 5930-01-542-8759
NSN 5895-01-286-9416
NSN 6610-01-023-1918
NSN 5920-01-354-6082
NSN 5950-01-083-7083
NSN 6650-00-344-9500
NSN 5855-01-287-6391
NSN 2925-00-642-8854
NSN 5905-01-265-3759
NSN 5930-01-542-9182
NSN 5960-01-026-9005
NSN 5945-01-298-8473