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 5960-01-632-6576
NSN 6105-01-393-1750
NSN 5895-00-501-8174
NSN 6220-00-186-2238
NSN 6135-00-221-4720
NSN 5999-01-609-3017
NSN 6220-01-445-6575
NSN 5930-01-631-6948
NSN 6685-01-535-5699
NSN 6610-00-314-2605
NSN 5985-00-686-3986
NSN 6110-01-536-3525