Nut 688-0694

Paccar
Part# 688-0694
note
Hex lock nut providing vibration-resistant clamping for heavy truck assemblies.
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Description

The Fabco Lock Nut, 1-1/4-12 Hex (688-0694) is a hex-profile fastener designed to maintain clamping force in vibration-prone assemblies. It secures components such as brackets and linkages by providing preload retention and resistance to loosening under dynamic loads.

Key Specifications

  • Application: Heavy-duty truck assemblies
  • Function: Vibration-resistant clamping and preload retention
  • Compatibility: General heavy truck chassis and drivetrain
  • Construction: Steel material, hexagonal profile
  • Features: 1-1/4-12 thread size, locking characteristic, broad bearing surface
  • Quality: OEM Fabco part

Shipping Info

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More Information

Current Part# 688-0694
Manufacturer Paccar
Warranty Standard Manufactures