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 5950-01-432-7724
NSN 5855-01-073-4843
NSN 5960-01-386-2786
NSN 5998-01-169-8014
NSN 5975-01-174-8152
NSN 5990-00-081-3937
NSN 5930-00-179-9798
NSN 6105-01-523-1332
NSN 6610-01-020-3764
NSN 5925-01-273-2161
NSN 5965-01-337-5010
NSN 6135-00-803-3012