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 5915-00-469-3492
NSN 5975-00-015-6012
NSN 6645-01-340-7354
NSN 6220-01-591-4337
NSN 6620-00-292-7000
NSN 6645-00-888-5820
NSN 5950-00-139-1796
NSN 5985-01-141-7022
NSN 6130-01-200-7450
NSN 5895-00-730-0594
NSN 6650-01-235-0981
NSN 5930-01-506-4926