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Our Axle Nuts & Locks Are Manufactured to Exacting Specifications Using Only the Very Finest Materials & Workmanship Attainable.
| Brand | Sirco Industries |
| Thickness | 0.1875 |
| OEM Part # | 1229U1009, C002304, E2304, R002304 |
| Comments | Lock Washer for Mack (50K lb. Axles), Use w/ CS3307 Nut. |
| Inside Diameter | 3.25 |
| Manufacturer | Sirco Industries |
| VMRS Code | 053007008 |
| Material | Steel |
| Outside Diameter | 4.375 in |
| SDS Required | No |
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