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 5925-01-245-8648
NSN 6320-00-400-8042
NSN 5998-01-542-3724
NSN 6620-00-514-4662
NSN 6610-01-542-2276
NSN 5925-00-186-8669
NSN 6620-00-520-1909
NSN 6150-01-497-2731
NSN 5998-00-935-8737
NSN 5999-01-060-0020
NSN 6220-00-289-9915
NSN 6610-01-247-6374