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 5935-01-146-3988
NSN 6240-01-367-1925
NSN 5945-01-327-2697
NSN 6110-00-589-3134
NSN 6320-01-056-1164
NSN 5925-00-429-9859
NSN 7035-01-510-8787
NSN 5950-00-074-4736
NSN 6620-00-113-9145
NSN 5835-00-311-5491
NSN 6150-01-207-3170
NSN 5895-01-634-0630