Product Description
OEM lockwasher for manual pallet jack assemblies, designed to secure fastening hardware and prevent loosening under vibration. Carbon steel construction, spring tension design, and plain finish ensure reliability in material handling environments. OEM part number 78148-30310-71; cross-reference not available. Compatible with designated manual pallet jack models using this fastener hardware.
Specifications
Material & Construction
| Material Specification | Carbon steel |
| Steel Grade | SAE 1070 |
| Hardness | Rockwell C38 minimum |
| Finish/Coating | Plain finish |
Part Numbers
| OEM Part Number | 78148-30310-71 |
| Compatible Equipment | Manual pallet jacks utilizing OEM 78148-30310-71 hardware |
Performance Specifications
| Service Factor | 1.00 (intended for static application under fastener preload) |
Frequently Asked Questions
Q: What is the OEM part number for SKU 78148-30310-71?
A: SKU 78148-30310-71 is the OEM lockwasher part number designed for manual pallet jack fastener hardware. This part number is the OEM specification, and no cross-reference numbers are documented in official channels.
Q: What material is the 78148-30310-71 lockwasher made from?
A: The 78148-30310-71 lockwasher is manufactured from carbon steel, SAE 1070 grade, with a plain finish. Rockwell C hardness meets minimum SAE 1070 specifications, providing reliable spring tension and vibration resistance in manual pallet jack assemblies.
Q: Which manual pallet jack models use the 78148-30310-71 lockwasher?
A: The 78148-30310-71 lockwasher is compatible with designated manual pallet jack models that use this OEM fastener hardware specification. Verify your equipment model number against the OEM parts list to confirm compatibility before ordering.
Q: Why is a lockwasher important for manual pallet jack fasteners?
A: Lockwashers prevent fastener loosening under vibration and repeated loading during material handling operations. The spring tension design of the 78148-30310-71 maintains consistent clamping force, protecting pallet jack structural integrity and safety.