National Stock Number: 5210-01-218-0859
  Federal Supply Class: 5210
  National Item Identification Number: 012180859
  Description: LEVEL,CYLINDRICAL,CIRCULAR VIAL
  Detail: A PRECISION INSTRUMENT USED TO DETERMINE A HORIZONTAL PLANE IN ALL DIRECTIONS ON ONE SETTING. IT IS CENTRALLY LOCATED IN RELATION TO THE PERIPHERY OF THE TOP OF THE ITEM, FOR CENTERING THE BUBBLE. THE ITEM MAY BE MOUNTED TO A CYLINDER.
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