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GMNA - GM9084P

Test For Prevailing Torque Nuts

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Organization: GMNA
Publication Date: 1 September 2015
Status: active
Page Count: 3
scope:

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose. This standard provides a method for evaluating certain performance characteristics of prevailing torque type nuts.

Foreword. Not applicable.

Applicability. The test consists of one installation and one removal of the nut in a test machine using a constant speed nutrunner. For the test, the nut is assembled on a phosphate and oil coated bolt of a grade or property class corresponding to the nut, and a zinc plated test washer is used as the bearing surface. During the installation and removal, three quantities are measured and recorded electronically: (1) prevailing torque on, (2) torque at specified tension, and (3) prevailing torque off.

Document History

GM9084P
September 1, 2015
Test For Prevailing Torque Nuts
Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence....
February 1, 2015
Test for Prevailing Torque Nuts
A description is not available for this item.
March 1, 2007
Test for Prevailing Torque Nuts
Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence....
April 1, 1989
Test for Prevailing Torque Nuts
1 SCOPE. This standard provides a method for evaluating certain performance characteristics of all-metal prevailing-torque type nuts.

References

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