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 5905-01-371-7513
NSN 6220-00-660-5539
NSN 5910-01-028-0202
NSN 7035-01-442-7947
NSN 5998-01-268-1174
NSN 5975-01-500-1668
NSN 5905-01-579-2488
NSN 5996-01-173-9789
NSN 5935-01-329-7695
NSN 5895-01-187-9754
NSN 5915-01-349-8158
NSN 6145-01-254-6616