GB/T 1339-1988
ActiveSelf-locking nuts，reduced hexagon
小六角自锁螺母
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and acceptance criteria for reduced hexagon self-locking nuts, which are designed to resist loosening under vibration or dynamic loads. It is applied in mechanical assemblies and aerospace, automotive, and industrial equipment where compact fasteners are needed to maintain secure connections in confined spaces. The standard ensures interchangeability and reliability for nuts used in high-stress or safety-critical environments.
Related Standards
GB/T 62.1-2004
Wing nuts--Round wing
GB/T 62.3-2004
Wing nuts--Pressing wing
GB/T 62.2-2004
Wing nuts--Square wing
GB/T 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
GB/T 9074.5-2004
Cross recessed small pan head screw andwasher assemblies with plain washers
GB/T 62.4-2004
Wing nuts--Die-casting wing
GB/T 3098.20-2004
Mechanical properties of fasteners--Wing nuts with specified proof torque
GB/T 3098.19-2004
Mechanical properties of fasteners--Blind rivets with break pull mandrel
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.