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 5920-00-149-0013
NSN 6320-00-194-4252
NSN 5920-01-126-8183
NSN 6110-01-602-4121
NSN 4140-01-432-7549
NSN 4140-01-469-7381
NSN 6320-01-123-6814
NSN 5996-01-125-3334
NSN 5950-00-161-3196
NSN 5930-01-603-8750
NSN 6150-01-201-3766
NSN 6105-00-246-5311