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 6320-01-436-9228
NSN 5855-00-455-6070
NSN 5930-00-952-2639
NSN 6610-01-629-4140
NSN 6650-01-406-5322
NSN 5835-00-552-9033
NSN 7035-01-654-5186
NSN 6130-00-552-8998
NSN 6105-00-227-1412
NSN 5930-01-396-0840
NSN 5990-01-432-4984
NSN 5950-01-091-1881