Lock Nut 4069886

positive OEM
Cummins
Part# 4069886
note
Lock nut securing engine components against vibration-induced loosening.
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Description

The Cummins Lock Nut (4069886) is a mechanical fastener designed to secure components in heavy-duty engine assemblies. It prevents loosening caused by vibration and dynamic forces, maintaining the stability and integrity of critical mechanical connections. This lock nut is essential for fastening applications requiring resistance to operational stresses.

Key Specifications

  • Application: Tier 3 5.9L ISB/QSB engines, 6C8.3, QSB5.9 CM850, QSB6.7 M CM2250, QSC8.3 CM850, QSM11 CM570
  • Function: Prevents fastener loosening under vibration
  • Compatibility: Cummins ISB, QSB, QSC, QSM engine series
  • Construction: Stainless steel with nylon insert
  • Features: Prevailing torque mechanism, corrosion resistance, precision-machined threads
  • Quality: OEM Cummins part

Shipping Info

Next Day Air services are available for In Stock items. Our shipping cutoff time is Monday - Friday 4:30pm Eastern Standard Time (EST). 

 

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More Information

Current Part# 4069886
Type OEM
Part# variations 4069886 CUM,
4069886CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty