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 5945-01-462-5848
NSN 5965-00-007-7863
NSN 5835-00-433-8540
NSN 5910-01-556-4278
NSN 5855-00-586-6255
NSN 5915-00-170-6775
NSN 5999-01-213-6549
NSN 6650-01-511-9397
NSN 7035-01-623-0334
NSN 5998-00-080-3653
NSN 5950-01-079-4710
NSN 5960-01-553-4557