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 5945-01-444-5497
NSN 5925-01-469-6068
NSN 6240-01-438-9580
NSN 5965-01-188-8530
NSN 5930-00-957-7484
NSN 5990-00-506-8315
NSN 5996-01-500-1830
NSN 5999-01-013-6175
NSN 5935-01-504-4367
NSN 5996-01-246-2472
NSN 5996-01-066-9003
NSN 6620-01-006-4899