| Marks : | ||||||
| Date | Details | Mk./Ref | Serial range | Total | I | |
|---|---|---|---|---|---|---|
| 3-Jun-36 | order | MS339 | K9787-L1096 | 310 | 310 | |
| 1-Sep-38 | order | N3023-N3299 | 200 | 200 | ||
| 28-Nov-38 | tfr /817241 | HS | (K9834) | -1 | -1 | |
| 20-Oct-39 | tfr /23634 | MKIII | (N3297) | -1 | -1 | |
| 20-Jun-39 | tfr /2617 | pattern | (N3298/9) | -2 | -2 | |
| tfr /46374 | pattern | (N3296) | -1 | -1 | ||
| Contract total | 505 | 505 | ||||