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 6150-00-458-8300
NSN 6320-01-162-5977
NSN 6135-01-442-0890
NSN 6610-01-622-4326
NSN 6650-01-512-5843
NSN 5915-01-527-2088
NSN 6220-01-195-0322
NSN 5920-00-296-9869
NSN 5855-00-631-4565
NSN 6145-01-546-6892
NSN 5835-01-068-3417
NSN 6650-01-537-5388