| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| NATIONAL | 251PKG | Direct Cross Interchange | 1 |
| Precision Seals & Bearings | 251PKG | Direct Cross Interchange | 1 |
| DT Components | 251PKG | Direct Cross Interchange | 1 |
| FEDERAL MOGUL | 251PKG | Indirect Cross Interchange | 2 |
| TIMKEN | 251R | Indirect Cross Interchange | 1 |