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 5945-00-688-4282
NSN 6650-00-597-7313
NSN 5910-01-039-4894
NSN 2925-00-215-4954
NSN 5965-01-100-5283
NSN 2925-01-459-8093
NSN 6130-00-378-9889
NSN 5996-01-518-4674
NSN 5985-00-277-4230
NSN 5935-01-139-0694
NSN 5930-01-540-7750
NSN 5930-01-092-2986