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 6150-00-448-9597
NSN 6220-00-333-5848
NSN 6620-00-375-0393
NSN 5996-00-949-4244
NSN 5945-00-255-2033
NSN 5930-01-358-3499
NSN 6135-01-357-0621
NSN 6145-00-393-4083
NSN 6620-01-476-7355
NSN 6105-01-179-1365
NSN 5915-00-849-6667
NSN 5915-00-032-9734