Product Description
Hyster HY 2305049 locknut for electric lift trucks. OEM-grade, 5/16-18 UNC hex locknut. Plain finish, Grade 2 carbon steel construction for secure drive unit assembly. Compatible with Hyster W40 XL/XT drive units.
Compatibility: Fits pallet jacks made by Hyster, model W40XL/W40XT. SKU: HY 2305049
Specifications
Dimensional Specifications
| Nominal Thickness | 0.244 inch |
Material & Construction
| Material Specification | Carbon steel |
| Steel Grade | Grade 2 |
| Finish/Coating | Plain finish |
Mechanical Specifications
| Compatible Equipment | Hyster W40 XL/XT drive unit |
| Locking Mechanism | Prevailing torque |
| Thread Pitch | 18 TPI |
Part Numbers
| OEM Part Number | HY 2305049 |
| Manufacturer Part Number | HY 2305049 |
Frequently Asked Questions
Q: What are the specifications of the HY 2305049 locknut?
A: The HY 2305049 is a 5/16-18 UNC hex locknut with Grade 2 carbon steel construction and plain finish. It features prevailing torque locking mechanism for secure fastening. Nominal thickness is 0.244 inch with 18 teeth per inch (TPI) thread pitch.
Q: Which Hyster electric pallet jacks use the HY 2305049 locknut?
A: The HY 2305049 is compatible with Hyster W40XL and W40XT drive units. It is used in the drive unit assembly to secure critical fastening points.
Q: Is Grade 2 carbon steel adequate for electric pallet jack drive assemblies?
A: Yes. Grade 2 carbon steel with prevailing torque locking is specified by Hyster for drive unit applications. It provides sufficient strength for the loads and vibration encountered in electric lift truck operation while maintaining reliable retention.
Q: How often should the HY 2305049 locknut be inspected or replaced?
A: Inspect locknuts during routine drive unit maintenance or troubleshooting. Replace if the prevailing torque has diminished (bolt turns easily without resistance) or if the fastener is corroded or stripped. High-vibration environments may require more frequent inspection.
Q: What does prevailing torque mean in a locknut?
A: Prevailing torque is the resistance the locknut applies to prevent loosening from vibration. In the HY 2305049, the locking mechanism creates friction that holds the bolt even when subjected to constant vibration typical in electric drive units.