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 6220-01-260-1294
NSN 6220-00-842-6897
NSN 6145-00-900-6157
NSN 6220-01-004-8909
NSN 6610-00-296-5007
NSN 5975-01-407-0557
NSN 5975-01-524-2148
NSN 6130-01-515-4100
NSN 6150-01-093-4689
NSN 6145-01-605-5871
NSN 6320-01-532-7491
NSN 5960-00-835-3928