GB/T 889.1-2015
ActivePrevailing torque type hexagon nuts (with non-metallic insert)，style 1
1型非金属嵌件六角锁紧螺母
Application Summary AI generated
This standard specifies the dimensions, specifications, and performance requirements for prevailing torque type hexagon nuts with a non-metallic insert (style 1). It is applied in mechanical assemblies where resistance to loosening under vibration or dynamic loads is required, such as in automotive, aerospace, and general machinery fastening systems. The standard ensures reliable locking performance through the elastic deformation of the non-metallic insert, which creates friction on the bolt thread.
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Wing nuts--Square wing
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Wing nuts--Die-casting wing
GB/T 3098.20-2004
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.