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 6105-00-453-1949
NSN 6685-01-055-9643
NSN 6105-00-859-2837
NSN 5925-00-926-8425
NSN 5930-01-448-4296
NSN 5999-01-058-2832
NSN 6610-01-184-3016
NSN 5910-00-017-0477
NSN 7035-01-403-2841
NSN 5895-00-004-4455
NSN 6135-00-583-3966
NSN 5998-01-417-2884