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 6320-00-089-9426
NSN 6610-00-277-7206
NSN 5996-01-157-7079
NSN 5925-01-330-2362
NSN 5998-01-469-7221
NSN 5930-01-067-8084
NSN 6685-01-252-1085
NSN 5945-00-151-4623
NSN 6150-01-503-0078
NSN 5985-01-143-8936
NSN 5996-00-951-3763
NSN 5935-00-855-4773