| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| PIRELLI | 5B81 | Direct Cross Interchange | 19 |
| GOODYEAR | 5B81 | Direct Cross Interchange | 19 |
| OPTIBELT | 5B81 | Direct Cross Interchange | 19 |
| PIX Belts | B81/05 | Direct Cross Interchange | 19 |
| THERMOID | 5B81 | Direct Cross Interchange | 19 |
| GOODRICH | 5B81 | Direct Cross Interchange | 19 |
| UNIROYAL | 5B81 | Direct Cross Interchange | 19 |
| Durkee-Atwood | 5B81 | Direct Cross Interchange | 19 |
| Industry Standard | 5B81 | Direct Cross Interchange | 19 |
| Metric Standard | 16C2130J5 | Direct Cross Interchange | 19 |
| DODGE | 5XB81 | Direct Cross Interchange | 19 |
| DODGE | 107429 | Direct Cross Interchange | 19 |
| NSN | 3030010815129 | Direct Cross Interchange | 19 |
| DAYCO | RBP815 | Direct Cross Interchange | 19 |
| DAYCO | 5RBP81 | Direct Cross Interchange | 19 |
| GATES | 5B81 | Direct Cross Interchange | 19 |
| BANDO | 5B81 | Direct Cross Interchange | 19 |