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 6105-00-704-2982
NSN 6650-01-461-6286
NSN 5999-01-396-9179
NSN 5835-00-113-6090
NSN 5855-01-111-3962
NSN 5915-01-181-5603
NSN 5855-01-364-1005
NSN 6130-00-155-8526
NSN 5960-01-367-0981
NSN 5910-01-548-2168
NSN 5996-01-032-4942
NSN 5930-00-780-5522