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FORD ESS-M1A171-B

M00002919

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FORD ESS-M1A171-B 1996 Edition, October 1996 MATERIAL AND PERFORMANCE REQUIREMENTS FOR PREVAILING TORQUE NUTS *** TO BE USED WITH FORD WSS-M99P1111-A***

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Description / Abstract: FORD ESS-M1A171-B, 1996 Edition, October 1996 - MATERIAL AND PERFORMANCE REQUIREMENTS FOR PREVAILING TORQUE NUTS *** TO BE USED WITH FORD WSS-M99P1111-A***

This standard establishes the general dimensional material and performance requirements for cold or hot formed coarse thread prevailing-torque type steel hexagon nuts.

DEFINITION.

A prevailing-torque type nut is a nut which is frictionally resistant to rotation due to a self-contained prevailing-torque feature, and not because of a compressive load developed against the bearing surface of the nut.