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 6240-01-221-1378
NSN 5905-00-967-4787
NSN 5905-00-316-3510
NSN 6320-01-470-6826
NSN 5895-01-451-4306
NSN 5950-01-425-1174
NSN 5930-01-049-6127
NSN 5998-00-473-2035
NSN 7035-01-106-3476
NSN 6610-01-163-7062
NSN 6150-01-602-6119
NSN 6105-01-332-7052