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 2925-01-311-7840
NSN 5935-00-679-5346
NSN 6650-01-245-2791
NSN 6105-01-605-5723
NSN 7035-01-098-5474
NSN 5920-01-367-9281
NSN 6220-01-598-6900
NSN 5930-00-195-2443
NSN 5835-00-180-7555
NSN 6645-00-313-2324
NSN 6620-01-096-3723
NSN 6150-01-301-0425