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 5925-00-035-8469
NSN 5935-01-083-3968
NSN 6110-01-425-1449
NSN 5945-01-145-3179
NSN 5925-01-440-9364
NSN 6645-01-185-7684
NSN 6645-01-352-5675
NSN 6150-00-935-8740
NSN 5935-00-597-5055
NSN 5985-01-577-3946
NSN 5895-00-261-9838
NSN 5855-00-763-2155