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 6135-00-927-5848
NSN 5835-01-013-9321
NSN 6240-01-318-1522
NSN 4140-00-133-4162
NSN 6320-01-399-6177
NSN 5905-01-181-6561
NSN 6240-01-433-7512
NSN 5915-01-246-8344
NSN 6150-01-306-6273
NSN 5920-00-564-5702
NSN 6105-01-078-7490
NSN 5915-00-762-2440