| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DAYCO | BP138 | Direct Cross Interchange | 17 |
| DAYCO | B138 | Direct Cross Interchange | 17 |
| GATES | B138 | Direct Cross Interchange | 17 |
| GATES | 66138 | Direct Cross Interchange | 17 |
| MASSEY FERGUSON | 141943M1 | Direct Cross Interchange | 17 |
| GOODYEAR | B138 | Direct Cross Interchange | 17 |
| OPTIBELT | B138 | Direct Cross Interchange | 17 |
| DUNLOP | B138 | Direct Cross Interchange | 17 |
| PIX Belts | B138 | Direct Cross Interchange | 17 |
| GOODRICH | B138 | Direct Cross Interchange | 17 |
| UNIROYAL | B138 | Direct Cross Interchange | 17 |
| Durkee-Atwood | B138 | Direct Cross Interchange | 17 |
| Industry Standard | B138 | Direct Cross Interchange | 17 |
| Metric Standard | 16C3580 | Direct Cross Interchange | 17 |
| NSN | MS39256B138 | Direct Cross Interchange | 17 |