GB/T 5649-2008
ActiveFlared couplings - Lock nut and lockup washer
管接头用锁紧螺母和垫圈
Application Summary AI generated
This standard specifies the dimensions, technical requirements, and marking of lock nuts and lockup washers used in flared coupling assemblies for fluid power and general engineering applications. It is applied in the manufacturing and quality inspection of hydraulic and pneumatic tube connections, ensuring secure fastening and leak-proof performance in mechanical systems such as industrial machinery, automotive, and aerospace equipment.
Related Standards
GB/T 9074.20-2004
Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers
GB/T 62.2-2004
Wing nuts--Square wing
GB/T 62.3-2004
Wing nuts--Pressing wing
GB/T 62.1-2004
Wing nuts--Round wing
GB/T 9074.5-2004
Cross recessed small pan head screw andwasher assemblies with plain washers
GB/T 3098.19-2004
Mechanical properties of fasteners--Blind rivets with break pull mandrel
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
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.