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 6620-00-754-7494
NSN 5999-01-091-0069
NSN 5998-00-419-3846
NSN 6110-01-411-7478
NSN 2925-01-420-2362
NSN 6645-00-842-4653
NSN 5999-01-196-2050
NSN 5925-01-200-7813
NSN 5996-01-467-2177
NSN 5996-00-601-6690
NSN 5835-00-856-6744
NSN 5835-01-550-5094