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 6610-01-412-0058
NSN 5960-00-996-9555
NSN 6145-00-054-8957
NSN 5835-00-431-4451
NSN 5920-01-504-1710
NSN 6145-01-449-1262
NSN 6620-01-468-6017
NSN 6240-01-355-4425
NSN 5895-00-282-8310
NSN 5930-00-188-9880
NSN 5910-01-588-5270
NSN 6650-01-025-8803