| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| Precision Seals & Bearings | MU1221UM | Direct Cross Interchange | 1 |
| DT Components | MU1221UM | Direct Cross Interchange | 1 |
| CHICAGO RAWHIDE | MU1221TM | Indirect Cross Interchange | 2 |
| Hyatt | U1221YS | Indirect Cross Interchange | 2 |
| Hyatt | U1221TM | Indirect Cross Interchange | 2 |
| POLLARD | H2021SF | Indirect Cross Interchange | 2 |
| ROLLWAY | UM1221J | Indirect Cross Interchange | 2 |
| ROLLWAY | UM1221B | Indirect Cross Interchange | 2 |
| WHITE MOTOR | 713939 | Indirect Cross Interchange | 2 |
| WHITE MOTOR | 461147 | Indirect Cross Interchange | 2 |
| GM | 7450149 | Indirect Cross Interchange | 2 |
| FORD | C3TZ4615A | Indirect Cross Interchange | 2 |
| FORD | C3TA4615A | Indirect Cross Interchange | 2 |
| SEALED POWER | MU1221UM | Indirect Cross Interchange | 2 |
| FEDERAL MOGUL | MU1221UM | Indirect Cross Interchange | 2 |
| SKF | U1221YM | Indirect Cross Interchange | 2 |
| SKF | U1221TM | Indirect Cross Interchange | 2 |
| SKF | MU1221UM | Indirect Cross Interchange | 2 |
| MERITOR | 1828B28 | Indirect Cross Interchange | 2 |
| MERITOR | 1228W179 | Indirect Cross Interchange | 2 |
| TIMKEN | MU1221UM | Indirect Cross Interchange | 2 |
| KOYO | MU1221TM | Indirect Cross Interchange | 2 |
| FAG | R205RR | Indirect Cross Interchange | 2 |
| IHC | 972861R91 | Indirect Cross Interchange | 2 |
| IHC | 591809C91 | Indirect Cross Interchange | 2 |
| PERFECT CIRCLE | MU1221UM | Indirect Cross Interchange | 2 |
| ROCKWELL | 1828B28 | Indirect Cross Interchange | 2 |
| ROCKWELL | 1228W179 | Indirect Cross Interchange | 2 |
| KENWORTH | KW5188 | Indirect Cross Interchange | 2 |
| KENWORTH | KW5069 | Indirect Cross Interchange | 2 |
| FEDERAL | U1221YM | Indirect Cross Interchange | 2 |
| CHICAGO RAWHIDE | U221UM | Indirect Cross Interchange | 2 |
| CHICAGO RAWHIDE | MU1221UM | Indirect Cross Interchange | 2 |