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 6150-00-644-8745
NSN 6650-01-227-9634
NSN 6240-01-546-2860
NSN 6110-00-589-3134
NSN 5915-00-269-4463
NSN 6130-01-249-3513
NSN 6645-01-550-3038
NSN 6105-01-210-8948
NSN 2925-01-041-8201
NSN 5835-01-004-8997
NSN 6620-01-340-1503
NSN 4140-01-240-1116