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 5835-01-492-4318
NSN 5935-00-432-1507
NSN 6110-01-524-0150
NSN 6145-00-202-8570
NSN 5950-00-811-5397
NSN 5998-00-103-0506
NSN 5990-01-148-5326
NSN 6150-01-485-0397
NSN 5975-01-340-6431
NSN 6135-01-394-4160
NSN 6610-01-336-2787
NSN 5910-01-252-1271