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 6610-01-162-4882
NSN 6610-01-068-7974
NSN 2925-01-281-6403
NSN 5905-01-252-2479
NSN 6620-01-441-7896
NSN 6620-00-193-9503
NSN 5925-01-428-7667
NSN 6145-01-621-4667
NSN 6105-01-548-1017
NSN 5930-01-442-6723
NSN 5945-00-249-8087
NSN 6650-01-290-4001