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 5998-01-279-9818
NSN 6620-01-559-9116
NSN 6110-01-552-8870
NSN 6150-01-182-4139
NSN 5930-01-607-0187
NSN 2925-01-497-9381
NSN 5985-01-162-4993
NSN 5935-00-153-4490
NSN 7035-01-659-9135
NSN 5925-01-367-2519
NSN 5930-00-621-0733
NSN 5960-01-262-0359