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 5999-01-604-2194
NSN 5855-00-472-2055
NSN 6610-01-291-4173
NSN 6650-00-283-0978
NSN 6130-01-464-4286
NSN 5960-01-297-0696
NSN 5910-01-528-2593
NSN 5855-01-406-4821
NSN 5855-01-533-3888
NSN 5905-01-461-7995
NSN 5915-00-396-1250
NSN 5945-01-540-9380