| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| FEDERAL | RW506A | Direct Cross Interchange | 11 |
| ACDelco | RW506A | Direct Cross Interchange | 11 |
| ABC | RW506A | Direct Cross Interchange | 11 |
| ABC | RW506 | Direct Cross Interchange | 11 |
| L&S Bearing | RW506A | Direct Cross Interchange | 11 |
| L&S Bearing | RW506 | Direct Cross Interchange | 11 |
| NDH | RW506A | Direct Cross Interchange | 11 |
| BCA | RW506A | Direct Cross Interchange | 11 |
| SKF | RW506A | Direct Cross Interchange | 11 |
| Precision Seals & Bearings | RW506AR | Indirect Cross Interchange | 6 |
| DT Components | RW506AR | Indirect Cross Interchange | 6 |
| TIMKEN | RW506AR | Indirect Cross Interchange | 4 |