LOCKNUT - 5/16-18 (Bobcat BC87D-5)

BC87D-5: A damaged locknut can compromise threaded joint security, leading to loosening under vibration. During inspection, a locknut may show thread wear or deformation that reduces clamping force. Locknut condition affects the reliability of bolted connections in mechanical assemblies. Keeping a locknut in sound condition helps maintain consistent preload in fastened joints. This aftermarket replacement part references Bobcat catalog number BC87D-5. It is a 5/16-18 locknut, a type of fastener designed to resist loosening through a prevailing torque feature. Verify the serial number or application, then call (562) 693-7748.

Part number variants: BC87D-5, bc87d-5, BC87D5, bc87d5