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 6320-00-098-2858
NSN 5965-01-170-9891
NSN 6105-00-107-3315
NSN 5950-01-212-1894
NSN 6135-01-054-2462
NSN 6130-00-169-6890
NSN 5905-00-837-5600
NSN 5998-00-311-7267
NSN 6135-00-087-5300
NSN 6105-01-399-0695
NSN 5930-01-448-5000
NSN 5935-01-143-3998