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 2925-00-676-8334
NSN 5930-00-879-7916
NSN 6105-01-530-0032
NSN 5835-01-550-5094
NSN 6110-01-269-2738
NSN 6620-01-031-3989
NSN 5945-00-418-6572
NSN 6135-01-554-8523
NSN 7035-00-631-3782
NSN 6320-01-513-9166
NSN 5925-01-491-5057
NSN 5950-01-023-7692