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 5998-00-936-9028
NSN 5965-01-032-9146
NSN 5950-00-830-4475
NSN 5855-00-922-6459
NSN 5835-01-472-8897
NSN 6105-01-209-0760
NSN 5998-00-932-0742
NSN 6130-00-229-1620
NSN 6110-01-316-3624
NSN 6105-01-179-5039
NSN 5999-01-346-9952
NSN 5999-01-265-2500