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 6150-01-266-7880
NSN 6135-01-205-5965
NSN 6130-01-068-3362
NSN 6240-01-284-4330
NSN 5895-00-759-4966
NSN 6320-01-442-8604
NSN 6610-01-245-8015
NSN 5925-01-270-0548
NSN 5999-00-165-9899
NSN 5999-01-388-5927
NSN 5835-01-571-4083
NSN 5965-01-071-3704