SAE AS1349A-1997
插入 螺纹 螺旋线圈 锁定（低摩擦系统） 性能标准

Insert@ Screw Thread@ Helical Coil@ Locking (Low Friction Systems)@ Performance Standard for

被代替

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标准号

SAE AS1349A-1997

发布

1997年

发布单位

SAE - SAE International

替代标准

SAE AS1349A-2012

当前最新

SAE AS1349B-2018

 

 

适用范围

This SAE Aerospace Standard (AS) covers helical coil locking screw thread inserts made from formed wire in which the inner surface of the coil@ after assembly@ provides threads of standard Unified 60??orm as specified on the assembly drawing. This document also covers the performance requirements of the locking feature of the insert which will retain Unified ANSI B1.1 (UN Profile) or AS8879 (UNJ Profile) external threaded parts.Purpose:To establish the performance requirements of helical coil locking screw thread inserts for use in fastening systems utilizing a lubricant which induces a low coefficient of friction between insert and fastener.

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