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 5920-00-983-8630
NSN 5920-01-519-8106
NSN 5960-01-423-1085
NSN 6150-01-642-2285
NSN 6650-01-290-4001
NSN 5910-00-203-2119
NSN 2925-01-171-6106
NSN 6135-01-622-0029
NSN 5996-01-016-2724
NSN 6610-01-317-4859
NSN 6130-00-715-3390
NSN 5835-01-408-7576