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 6130-00-752-2584
NSN 5920-01-373-8861
NSN 5965-00-644-0339
NSN 6110-00-964-3514
NSN 5935-00-905-6407
NSN 5996-01-250-7374
NSN 6650-00-775-6560
NSN 5930-01-305-2882
NSN 6110-00-785-7927
NSN 6110-01-436-1843
NSN 6645-01-175-3568
NSN 6320-00-823-2015