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 5999-00-600-9410
NSN 5945-01-011-3328
NSN 5965-01-089-8579
NSN 6645-01-056-5291
NSN 6130-01-027-0762
NSN 6150-01-451-4898
NSN 5920-01-419-4291
NSN 5998-01-079-6047
NSN 6150-01-254-2764
NSN 5835-01-501-0526
NSN 5905-01-358-2654
NSN 5998-01-443-3120