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		                        | National Stock Number:
 5360-00-806-3399
 
 Federal Supply Class:
 5360
 
 National Item Identification Number:
 008063399
 
 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:
 
 | 2170593 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |  | 2170593 | 36090 | LOCKHEED MARTIN LIBRASCOPE CORP |  | L309000077 | 36090 | LOCKHEED MARTIN LIBRASCOPE CORP | 
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 Techincal Specification:
 
 | END RADIUS | 0.105 INCHES NOMINAL |  | HUB END SIZE | 0.156 INCHES NOMINAL |  | HUB SIZE | 0.180 INCHES NOMINAL |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 631 OVERALL |  | STOCK THICKNESS | 0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM |  | STOCK WIDTH | 0.250 INCHES NOMINAL | 
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