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E-25 General Standards for Aerospace and Propulsion Systems
AS7251B - Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High Strength, All Metal 1200 °F Use, UNJ Thread Form
Nuts, Self-Locking, Steel, Corrosion and Heat Resistant High Strength, All Metal 1200 °F Use, UNJ Thread Form
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 degrees F. For use up to approximately 1200 degrees F where high strength nuts with UNJ thread form are required for use with standard MIL-S-8879 external threads.
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