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 5996-00-519-3021
NSN 6150-01-190-4991
NSN 6240-01-495-6759
NSN 5835-00-217-2147
NSN 6320-01-050-1290
NSN 6320-01-240-4637
NSN 6110-01-092-6299
NSN 6645-01-150-9847
NSN 6145-00-964-7466
NSN 6650-01-296-0883
NSN 5895-01-582-3039
NSN 5985-00-526-3469