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 6145-01-459-4472
NSN 5990-01-626-3840
NSN 6220-01-474-3967
NSN 5835-01-329-4814
NSN 5985-01-572-5382
NSN 5930-00-185-8904
NSN 5935-00-279-1778
NSN 2925-00-992-7904
NSN 6135-00-793-1809
NSN 5945-00-951-8112
NSN 6110-01-584-2866
NSN 5835-01-464-2662