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 6240-00-398-0740
NSN 6130-01-197-7397
NSN 5975-01-142-3190
NSN 6320-00-242-3300
NSN 6610-01-242-3760
NSN 6110-00-082-0268
NSN 5998-01-502-1816
NSN 5950-01-063-4497
NSN 5930-01-514-9050
NSN 5996-01-169-4794
NSN 5998-00-130-3635
NSN 5835-01-632-6627