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 5930-01-611-7978
NSN 5965-01-513-9978
NSN 5950-00-494-0590
NSN 6110-01-591-3036
NSN 5950-00-871-3862
NSN 5945-00-221-9597
NSN 6105-01-375-3708
NSN 7035-01-494-7900
NSN 5990-01-455-8035
NSN 5965-00-630-7872
NSN 5930-00-240-4459
NSN 6610-01-155-2661