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SAE MA4360

Revision A, March 1, 2013

Complete Document

(R) Metric Wrenches: 6 & 12 Point Flare Nut, Non-distorting

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Product Details:

  • Revision: Revision A, March 1, 2013
  • Published Date: March 2013
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 10
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

This SAE Metric Aerospace Standard (MA) covers metric double end flare nut wrenches that are designed with the following requirements:

a. Non-distorting usage.

b. Possessing the strength, clearances, and internal wrenching design to be used on hydraulic tube fittings that conform to the requirements of SAE J514.

c. Transmitting torque to tube fittings without bearing on the apex of fitting wrenching points.

Inclusion of dimensional data in this document is not intended to imply that all of the products described herein are stock production sizes. Consumers are requested to consult with manufacturers concerning lists of stock production sizes.


These tools are used for tightening and loosening hydraulic flare nut (tube) fittings.

AIA/NAS Aerospace Standards