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		                             National Stock Number: 5360-01-543-1517
  Federal Supply Class: 5360
  National Item Identification Number: 015431517
  Description: SPRING,SPIRAL,TORSION
  Detail: A SPRING CONSISTING OF A LENGTH OF MATERIAL WOUND ON ITSELF IN THE FORM OF A SPIRAL, FINISHED AT THE ENDS AND DESIGNED TO EXERT PRESSURE IN A ROTATING DIRECTION AROUND THE SPRING AXIS. THE MATERIAL MAY BE OF VARIOUS CROSS-SECTIONAL SHAPES SUCH AS ROUND OR RECTANGULAR. EXCLUDES SPRINGS DESIGNED FOR THERMAL ACTUATION (SPRINGS IN WHICH THE TORSION FORCES ARE DESIGNED TO BE COUNTERACTED BY CHANGES IN TEMPERATURE).
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  Manufacturer Information:
 | 74B430927-210 | 76301 | THE BOEING COMPANY |   
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  Techincal Specification:
 | PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) SPRING, SPIRAL, AIR |   
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