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 6130-01-193-8318
NSN 6145-01-444-4509
NSN 5915-01-632-5466
NSN 5895-00-235-4520
NSN 5930-01-438-4873
NSN 6220-01-576-8405
NSN 6130-01-497-6976
NSN 5965-01-467-7974
NSN 2925-00-800-3403
NSN 5835-00-825-2512
NSN 2925-01-316-0725
NSN 6105-01-483-2102