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 6685-00-265-7530
NSN 6130-01-462-5428
NSN 6130-00-170-4844
NSN 6650-01-072-3698
NSN 6130-01-207-0755
NSN 6110-00-231-0776
NSN 5915-01-599-8846
NSN 6145-01-050-1187
NSN 6620-01-412-0938
NSN 5905-01-591-2495
NSN 5985-01-424-0573
NSN 5835-00-825-2512