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 5930-00-703-4417
NSN 5998-01-634-0604
NSN 5960-00-009-8082
NSN 5935-00-698-4124
NSN 6105-00-246-7116
NSN 5855-00-327-2061
NSN 5996-01-440-0634
NSN 5990-01-268-2236
NSN 6220-00-868-5651
NSN 7035-01-227-2546
NSN 5835-01-080-3678
NSN 6135-00-995-1089