The Dayton 06-223 is a high-quality, direct-replacement spindle nut designed to match the fit and function of original equipment on specified trailer axles. Engineered for durability and reliable performance, this nut is an ideal solution for replacing components that have failed due to fatigue or have been lost during service.
Direct Replacement: Matches the factory part's fit and function for specific years, makes, and models.
Durable Construction: Fabricated from premium materials to ensure a long service life and resistance to heavy-duty wear.
Manual Adjustment: Specifically designed for Rockwell/Meritor RN, TN, and TKN manual-adjust systems.
Trustworthy Quality: Backed by over a century of automotive experience and a team of U.S.-based product experts.
| Attribute | Value |
| Part Number | 06-223 |
| Nut Type | 8-Point (No Dowel Pin) |
| Thread Size | 2.37 in |
| Across the Flats | 3.25 in |
| Height | 0.37 in |
| Spindle Type | Tapered |
| Axle Type | Trailer |
| Weight | $0.50 \text{ lbs}$ |
This part is a direct interchange for several major industry manufacturers:
| Manufacturer | Part Number | Notes |
| Meritor | 1227-Z-676 | OE Reference |
| Meritor | R001251 | Genuine Replacement |
| Euclid | E1251 | Aftermarket Interchange |
| Spicer | 12-398 / 12398 | Direct Replacement |
| Paccar | L840 | Direct Replacement |
| VMRS | 011-001-016 | Industry Standard Code |
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