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 6240-00-179-5043
NSN 6130-01-050-8723
NSN 5930-00-964-6350
NSN 5895-00-596-8678
NSN 6240-01-207-3863
NSN 6105-01-079-8847
NSN 6685-01-191-0106
NSN 6645-00-359-5463
NSN 6145-00-959-1481
NSN 6150-00-348-6435
NSN 5895-01-532-4855
NSN 6220-00-541-8515