| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| NSN | 3110001981847 | Direct Cross Interchange | 19 |
| SKF | MU1321CHX | Direct Cross Interchange | 19 |
| SKF | BUB1321ZA | Direct Cross Interchange | 19 |
| SKF | 7GBUB1321ZA | Direct Cross Interchange | 19 |
| Roller Bearing Co | BUB1321ZA | Direct Cross Interchange | 19 |
| Roller Bearing Co | BUB13211321ZA | Direct Cross Interchange | 19 |
| ROLLWAY | UR1321E | Direct Cross Interchange | 19 |
| ROLLWAY | UR13211011321E028 | Direct Cross Interchange | 19 |
| ROLLWAY | U1321E028 | Direct Cross Interchange | 19 |
| BOWER | MU1321LTM1321CH | Direct Cross Interchange | 19 |
| BOWER | MU1321LM1321CH | Direct Cross Interchange | 19 |
| BOWER | MU1321CHLT | Direct Cross Interchange | 19 |
| BOWER | MU1321CHL | Direct Cross Interchange | 19 |
| NDH | BUB1321ZA | Direct Cross Interchange | 19 |
| NDH | BUB13211321ZA | Direct Cross Interchange | 19 |
| NDH | BU1321ZAHC | Direct Cross Interchange | 19 |
| NDH | BU1321HC1321ZA | Direct Cross Interchange | 19 |
| Precision Seals & Bearings | MU1321CHL | Indirect Cross Interchange | 3 |
| DT Components | MU1321CHL | Indirect Cross Interchange | 3 |