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 5999-01-535-7098
NSN 5999-01-120-4284
NSN 2925-01-408-9485
NSN 5925-00-248-5734
NSN 5945-01-324-4212
NSN 6110-00-242-6216
NSN 6610-01-165-2103
NSN 5930-01-446-6494
NSN 6240-01-261-4958
NSN 5960-00-338-9164
NSN 5996-00-316-5115
NSN 5960-00-645-8435