| Product Line | Suspension |
| Category Name | Trunnions & Components |
| Part Type | Trunnion Nut |
| Alternate Part Name | Trunnion Nut |
| OEM Part Number | 25QJ223 |
| Application Type | Heavy Duty Trucks, Semi-Trucks |
| Mounting Hole Size | 13/32 in. |
| Outside Diameter (O.D.) | 5-1/8 in. |
| Thickness | 1-1/16 in. |
| Thread Size | 3-5/16-12 UNF |
| Package Length | 5.00 in. |
| Package Width | 2.00 in. |
| Package Height | 5.00 in. |
| Net Weight | 1.58 lb. |
| Cross References | 25QJ223, EM47450, FNU-4745, FNU4745 |
| Intended Application | - Compatible with Mack 4 in. Spring Rear Suspension Systems (SS44 and SWS57) and Mack Walking Beam Suspension Systems (SW and SWW Series Trucks).
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
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