Product Description
The 604407 is a direct replacement high carbon steel jam nut engineered for Clark electric lift truck assemblies. Manufactured with precision heat treatment and a plain oil finish, this single-chamfer hex jam nut features a right-hand UNC thread profile for reliable thread locking and vibration retention. Built to factory-spec standards for dependable performance in demanding electric lift truck applications.
Specifications
Material & Construction
| Material | High carbon steel |
| Heat Treatment | Factory-spec hardening |
| Finish | Plain oil |
Design & Thread Profile
| Type | Single-chamfer hex jam nut |
| Thread Profile | Right-hand UNC thread |
| Application | Thread locking and vibration retention |
Part Information
| Part Number | 604407 |
| Manufacturer | Clark |
Frequently Asked Questions
Q: What are the specifications of the CL 604407 jam nut?
A: The CL 604407 is a Clark OEM jam nut manufactured from high carbon steel with OEM-specific heat treatment and plain oil finish. It features a single-chamfer, hex-type design with a right-hand UNC thread profile, engineered for thread locking and vibration retention in Clark electric lift truck assemblies.
Q: What Clark electric lift truck models are compatible with the CL 604407 jam nut?
A: The CL 604407 is designed for Clark electric forklift and lift truck models. Compatibility varies by equipment generation and serial number range. Verify your specific equipment model and assembly location before ordering to confirm this jam nut matches your application.
Q: Can the CL 604407 be used to replace jam nuts from other manufacturers?
A: The CL 604407 is a Clark OEM part with specifications tailored to Clark equipment. While it conforms to standard UNC thread sizing, use it only on Clark equipment unless you have confirmed dimensional and thread profile compatibility with your specific application through equipment documentation.
Q: What is the purpose of a jam nut like the CL 604407?
A: Jam nuts lock fasteners in place and prevent loosening under vibration and thermal cycling. The CL 604407 provides thread locking in electric lift truck assemblies where component retention is critical for safety and reliability. Apply proper torque specifications per your equipment manual to ensure effective locking.
Q: Does the CL 604407 jam nut require special handling or storage?
A: The CL 604407 has a plain oil finish that provides corrosion protection during normal storage. Store in a dry environment to maintain the finish. Inspect the nut for rust or contamination before use; if significant corrosion is present, replace it to ensure reliable performance.