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 6650-01-158-6888
NSN 5895-01-363-3868
NSN 5910-01-412-1780
NSN 6150-01-035-7065
NSN 6620-01-158-7309
NSN 5895-00-424-4789
NSN 5835-00-783-6620
NSN 5965-00-959-4910
NSN 5915-00-433-9154
NSN 5999-01-154-8338
NSN 5920-01-433-2256
NSN 5999-01-398-1149