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 6320-01-171-3238
NSN 5920-00-936-3952
NSN 5895-00-514-2905
NSN 6130-01-464-4286
NSN 4140-01-204-5878
NSN 6685-00-901-0060
NSN 5999-00-094-8110
NSN 6240-00-995-9975
NSN 6320-01-225-0178
NSN 5905-01-142-2894
NSN 5910-01-427-3819
NSN 6110-01-429-8668