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 5996-01-391-8050
NSN 5835-01-502-9228
NSN 5925-01-284-1760
NSN 5910-01-432-0086
NSN 4140-01-083-5870
NSN 6135-00-862-5736
NSN 6105-00-962-9003
NSN 5915-01-600-1058
NSN 5996-01-184-5035
NSN 7035-01-372-3361
NSN 5920-01-385-1188
NSN 5996-00-636-4849