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 5905-01-169-8887
NSN 5895-01-237-0593
NSN 5945-00-285-8740
NSN 5930-00-252-4133
NSN 5915-00-408-9559
NSN 6130-01-174-4208
NSN 5925-01-552-1182
NSN 6105-01-045-7917
NSN 6685-01-292-3836
NSN 5996-01-361-5419
NSN 5999-00-970-8389
NSN 6620-00-992-5876