6620-99-110-4706 1660-99-110-4711

National Stock Number:
5360-99-110-4709

Federal Supply Class:
5360

National Item Identification Number:
991104709

Description:
SPRING,SPIRAL,TORSI

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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