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 6145-00-520-1714
NSN 6320-00-242-3300
NSN 5990-01-644-3095
NSN 6130-01-159-6153
NSN 6110-00-879-0810
NSN 5985-00-276-1147
NSN 6145-01-498-3913
NSN 6610-00-317-5860
NSN 5930-01-301-2784
NSN 6105-00-899-3812
NSN 6620-00-153-0982
NSN 5965-00-716-7078