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 6105-01-189-4275
NSN 5975-00-938-8931
NSN 6220-00-409-4304
NSN 5998-01-085-6299
NSN 5915-01-520-5929
NSN 6620-00-086-5223
NSN 6685-00-105-5970
NSN 6610-00-237-4667
NSN 5855-01-020-7982
NSN 5905-01-081-5385
NSN 5985-01-381-0582
NSN 2925-00-343-3235