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 5935-01-485-9649
NSN 6145-01-287-3612
NSN 7035-00-465-3298
NSN 5930-00-914-5620
NSN 5985-01-643-7742
NSN 5935-01-423-8653
NSN 5905-01-164-5760
NSN 5950-01-352-5874
NSN 6110-01-340-9424
NSN 5950-00-231-4879
NSN 6130-01-577-5776
NSN 4140-01-237-8569