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 6110-01-366-5715
NSN 5935-01-393-0539
NSN 5835-00-825-2512
NSN 5996-01-247-1738
NSN 5935-01-463-5317
NSN 6610-01-027-0087
NSN 6610-00-421-9853
NSN 5925-00-845-6612
NSN 5999-01-586-5836
NSN 6130-01-337-6194
NSN 6240-00-468-7089
NSN 5965-00-402-7799