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 6105-00-019-8082
NSN 5998-01-004-9745
NSN 6145-00-222-1356
NSN 4140-01-631-1836
NSN 6105-01-137-2679
NSN 5960-00-729-7745
NSN 5975-01-634-0678
NSN 5999-01-381-1139
NSN 6610-00-446-2880
NSN 5905-01-381-5519
NSN 6220-01-211-8419
NSN 6145-01-645-6806