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 6320-00-149-7570
NSN 6220-00-814-8548
NSN 5835-00-257-2852
NSN 5835-01-531-0379
NSN 6135-00-880-1026
NSN 5960-00-729-5376
NSN 6105-01-026-4343
NSN 5920-01-649-1077
NSN 5975-01-573-3980
NSN 5960-00-518-4704
NSN 6650-00-450-8847
NSN 2925-00-403-5036