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 2925-01-535-7235
NSN 5999-01-461-9974
NSN 5945-01-496-3547
NSN 6130-01-371-2417
NSN 5950-00-479-2162
NSN 6220-00-935-4308
NSN 4140-01-411-6666
NSN 5920-01-371-2869
NSN 5915-00-826-9318
NSN 5999-01-297-0911
NSN 5910-00-852-2548
NSN 6130-00-971-1651