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 5990-01-254-2936
NSN 5935-01-611-9730
NSN 6320-01-098-2503
NSN 6240-00-848-3384
NSN 4140-00-552-7370
NSN 5998-00-411-0614
NSN 5945-00-439-6199
NSN 5965-01-024-7960
NSN 5999-00-515-7354
NSN 6110-01-370-4234
NSN 5985-01-025-1951
NSN 5945-00-336-3166