Marked megacycles
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 5835-00-491-3834
NSN 2925-01-439-0219
NSN 5965-01-545-5971
NSN 5996-01-517-2328
NSN 5855-01-027-8414
NSN 6240-01-325-0898
NSN 6135-01-556-7318
NSN 6610-00-063-8489
NSN 5935-01-462-4687
NSN 6220-01-250-0171
NSN 5855-01-522-8362
NSN 5960-00-151-7576