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 6105-01-012-4176
NSN 5965-01-343-6983
NSN 5935-00-427-4414
NSN 5990-00-167-2692
NSN 5975-01-462-4636
NSN 5895-00-262-4331
NSN 5990-01-463-2279
NSN 7035-00-849-5526
NSN 6610-01-381-3181
NSN 6240-00-427-7448
NSN 5960-01-599-9821
NSN 5935-01-144-3168