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 5855-01-536-9028
NSN 5945-01-020-6816
NSN 6610-01-230-9971
NSN 5905-01-124-3625
NSN 5910-01-329-9748
NSN 5920-01-336-1730
NSN 6135-00-321-6707
NSN 5915-01-633-5058
NSN 5990-00-949-7782
NSN 6320-01-512-2031
NSN 5930-01-373-9431
NSN 5920-01-065-1824