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 5930-00-981-6680
NSN 5945-01-233-7947
NSN 5855-01-203-4719
NSN 5910-01-359-5904
NSN 6110-01-359-5382
NSN 6105-01-493-2518
NSN 5985-00-188-9665
NSN 5835-01-024-0406
NSN 6610-00-018-0683
NSN 5990-00-174-6695
NSN 5905-00-919-7833
NSN 5960-00-774-8227