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 5950-00-960-3095
NSN 6645-01-553-3599
NSN 5835-01-462-5983
NSN 6645-00-872-8685
NSN 5915-00-006-5403
NSN 5905-01-422-0127
NSN 5950-00-246-4524
NSN 5998-01-375-9743
NSN 5965-01-456-6622
NSN 7035-01-263-5463
NSN 6220-01-314-2439
NSN 6135-00-519-1325