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 5895-01-488-9778
NSN 5960-00-567-2380
NSN 5975-01-625-5119
NSN 5945-00-135-4134
NSN 6145-01-201-2320
NSN 6105-00-337-0904
NSN 5910-00-785-7614
NSN 6645-01-475-4723
NSN 5945-01-339-3864
NSN 5925-00-601-6345
NSN 5960-01-036-6320
NSN 5965-00-187-5523