| Displacement | 2400t trial |
|---|---|
| Length | 77.2m pp, 85.8m wl |
| Width | 11.0m |
| Draught | 3.8m |
| Machinery | 2-shaft diesel, 4800bhp |
| Speed | 18kt |
| Armament | 3-8cm/40cal gun (Nankai 4-12cm/45cal gun), 4-25mm AA, some DCs, some mines |
| Complement | 120 |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| Nanshin | - | Net Tandjong | ? | 1941.12.10 | - | Net Ram | 1942. 3. 2 scuttled incomplete 1942. 3 captured 1945 BU incompleted |
| Nankai | - | Net Soerabaya DYd | ? | - | - | Net Reguls | 1942. 3 captured 1943. 4.21 launched 1944. 6. 7 T-GB ? 1945. 7.16 sunk 1945. 7.30 disc |