| Displacement | 450t standard, 502t trial |
|---|---|
| Length | 67.00m pp, 70.00m wl |
| Width | 7.50m |
| Draught | 1.90m |
| Machinery | 2-shaft recipro, 2 boilers, 2300bhp |
| Fuel | coal 44t, oil 19t |
| Speed | 19kt |
| Range | 2500nm by 10kt |
| Armament | 2-8cm/40cal AA gun, 1-13.2mm AA, 120 mines |
| Complement | 74 |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| Natsushima | FY1931 | Ishikawajima SB | 1931.12.24 | 1933. 3.24 | 1933. 7.31 | MLB | 1944. 1.31 MLB 1944. 2.22 sunk (action, off New Ireland I.) [02.40S, 149.40E] 1944. 4.30 disc |
| Nasami | FY1931 | Harima SB | 1933. 1.19 | 1934. 3.26 | 1934. 9.20 | MLB | 1944. 1.31 MLB 1944. 4. 1 sunk (air attack, Rabaul) 1944. 4.30 disc |