Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High Strength, All Metal 1200 °F Use, UN Thread Form

Standard:
Revised:
  • 2008-12-19
 
  • HISTORICAL Access the latest revision: AS7250D
Publisher:
  • SAE International
Pages:
20
Scope:

This document covers all metal, self-locking wrenching nuts, plate nuts, shank nuts, and gang channel nuts made from a corrosion and heat resistant steel of the type identified under the Unified Numbering System as UNS S66286 and of 160 ksi tensile strength at room temperature, with maximum test temperature of parts at 1200 °F.

For use up to approximately 1200 °F where high strength nuts with UN thread form are required for use with 0.003 inch reduced pitch diameter threaded bolt.

Rationale:

TO CORRECT FIGURES 3 AND 4 FOR PERMANENT SET PITCH DIAMETERS APPLICABLE TO THE .003 INCH REDUCTION REQUIRED PER SECTION 3.8 AND GENERAL SAE FORMATING REQUIREMENTS.

History:
Standard Published Revision Status
AS7250D 2013-12-10 Latest Revised
2008-12-19 Historical Revised
2006-10-11 Historical Reaffirmed
1996-10-01 Historical Revised
1991-12-23 Historical Issued
AKA:
  • SAE AS 7250
Sector:
Topic:
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