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 6105-00-287-8971
NSN 5945-01-362-7740
NSN 6110-01-329-7993
NSN 6610-00-028-2222
NSN 5895-01-152-1178
NSN 6620-00-111-0401
NSN 5965-01-633-8849
NSN 5920-01-365-7321
NSN 6650-00-185-8344
NSN 6150-01-398-2155
NSN 5905-01-107-3160
NSN 6240-00-729-9696