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 6105-00-217-6881
NSN 6320-01-335-8336
NSN 5935-01-314-9555
NSN 5975-00-040-2363
NSN 5835-01-213-0833
NSN 6150-00-844-0254
NSN 6150-01-623-8265
NSN 6320-01-113-7647
NSN 5996-01-088-9406
NSN 6620-01-073-6365
NSN 5965-01-500-7168
NSN 6320-01-056-1164