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 6240-01-559-0684
NSN 5965-01-360-6568
NSN 5930-01-472-6391
NSN 6620-01-392-7191
NSN 6135-01-512-8740
NSN 6110-00-578-7243
NSN 5996-00-900-4001
NSN 5835-00-927-6013
NSN 5915-01-295-5469
NSN 6130-01-565-1279
NSN 5945-00-326-1839
NSN 6320-01-097-5347