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 5915-01-467-4468
NSN 6105-00-079-2409
NSN 5910-01-101-7775
NSN 5965-00-882-6949
NSN 6110-00-736-9946
NSN 5996-01-043-2105
NSN 6320-01-246-4390
NSN 5996-01-647-8668
NSN 6105-01-573-0313
NSN 6105-00-900-3784
NSN 5835-00-484-1529
NSN 5985-00-573-4358