SAE Standards Works
E-25 General Standards for Aerospace and Propulsion Systems
AS4958A - Performance, Nut, Self-Locking, Castellated, Prevailing Torque, UNJ 16 Pitch Thread Form
New Project Request
Not available for purchase at this time.
Performance, Nut, Self-Locking, Castellated, Prevailing Torque, UNJ 16 Pitch Thread Form
This document covers all metal, castellated, self-locking nuts made from alloy steel of the types identified under the Unified Numbering System as UNS G41300 and UNS G43400.
As a result of a five year review the documents has been updated to include the correct thread spec, changes and additions to referenced specifications.