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 6130-01-259-3074
NSN 6320-00-036-3688
NSN 5975-01-426-6773
NSN 5895-00-159-1237
NSN 5925-01-142-7775
NSN 5935-01-552-7574
NSN 6130-00-277-7321
NSN 6130-01-474-5190
NSN 5950-00-813-6759
NSN 5960-01-294-2397
NSN 5855-01-406-7237
NSN 6240-01-486-6440