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 6610-00-527-8892
NSN 6650-01-437-5214
NSN 6220-01-434-7506
NSN 5920-00-821-0078
NSN 5985-01-095-1366
NSN 5998-00-277-7552
NSN 6105-01-115-0353
NSN 5950-01-431-3739
NSN 5915-01-422-1861
NSN 6240-00-051-1261
NSN 5996-00-392-7626
NSN 5950-01-432-0877