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 5975-01-483-7402
NSN 5998-00-707-5781
NSN 5950-01-464-4196
NSN 6610-01-195-3497
NSN 6240-01-029-5988
NSN 5975-00-968-7650
NSN 6150-01-306-2943
NSN 6130-01-559-4627
NSN 5999-00-201-7305
NSN 5999-00-478-3088
NSN 5950-01-396-5617
NSN 4140-01-277-2548