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 6685-01-398-5926
NSN 7035-00-703-3535
NSN 2925-01-036-4213
NSN 6150-01-444-3860
NSN 6620-01-425-2750
NSN 6610-01-371-5039
NSN 6620-00-551-9948
NSN 6150-00-553-7948
NSN 5960-01-094-9540
NSN 6220-00-972-4731
NSN 5920-01-134-7853
NSN 5999-00-253-2192