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 6320-00-194-4252
NSN 6320-01-054-3046
NSN 5835-00-603-6661
NSN 6650-01-055-8146
NSN 6620-00-375-0393
NSN 6240-01-413-3035
NSN 5990-01-478-8638
NSN 5950-01-271-8688
NSN 5935-01-282-7541
NSN 5960-00-137-4751
NSN 2925-01-508-4138
NSN 6650-01-016-9423