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 5985-00-419-6333
NSN 5905-01-149-5116
NSN 6145-01-429-3108
NSN 6240-01-351-3747
NSN 6240-01-395-8300
NSN 6320-00-977-3930
NSN 6150-01-567-8554
NSN 5998-01-607-7334
NSN 6130-01-419-7091
NSN 6105-00-159-0723
NSN 5920-00-251-0534
NSN 5965-00-236-0016