GB/T 939-1988
ActiveBoots for self-locking nuts，singlelug，anchor
单耳托板自锁螺母保护罩
Application Summary AI generated
GB/T 939-1988 specifies the dimensions, technical requirements, and testing methods for single-lug anchor self-locking nut boots, which are protective covers used to shield self-locking nuts from environmental contaminants and mechanical damage. This standard is applied in aerospace, automotive, and industrial machinery sectors where threaded fasteners require corrosion resistance and reliable locking performance under vibration or harsh conditions. It ensures compatibility and interchangeability of protective boots with corresponding self-locking nuts in assembly and maintenance operations.
Related Standards
GB/T 62.1-2004
Wing nuts--Round wing
GB/T 62.2-2004
Wing nuts--Square wing
GB/T 62.3-2004
Wing nuts--Pressing wing
GB/T 9074.5-2004
Cross recessed small pan head screw andwasher assemblies with plain washers
GB/T 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer 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.