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 5999-01-126-7911
NSN 6105-01-207-2729
NSN 5950-00-250-9403
NSN 6130-00-240-4765
NSN 5855-00-466-2309
NSN 4140-01-320-4896
NSN 5945-00-666-4700
NSN 6130-01-206-0420
NSN 5975-01-429-5295
NSN 5990-01-609-4793
NSN 6620-01-386-5543
NSN 6610-01-293-9838