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 6135-01-389-3525
NSN 6145-01-652-4438
NSN 5930-01-367-6355
NSN 6650-01-633-9147
NSN 6110-01-003-9614
NSN 6130-00-609-3358
NSN 2925-01-398-6751
NSN 5835-01-138-8622
NSN 5998-00-661-0380
NSN 5990-01-501-5409
NSN 6150-01-460-6503
NSN 4140-01-501-0111