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 6135-01-440-9412
NSN 5965-00-532-3215
NSN 5950-01-160-7029
NSN 5935-01-534-3640
NSN 5999-00-952-5829
NSN 5990-01-068-1651
NSN 6650-00-518-5194
NSN 6130-01-012-4266
NSN 6145-01-606-9941
NSN 5975-01-383-2856
NSN 7035-01-038-9970
NSN 5910-00-421-0305