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 2925-00-724-9252
NSN 5930-00-612-6554
NSN 5925-01-021-4236
NSN 6150-00-033-6739
NSN 5915-00-239-3207
NSN 6105-01-126-4937
NSN 6110-01-536-7405
NSN 6610-01-109-7746
NSN 5910-01-616-3453
NSN 5925-01-536-1604
NSN 6220-00-799-8377
NSN 6110-00-256-6614