| Displacement | 720t standard, 738t trial |
|---|---|
| Length | 69.50m pp, 73.50m wl, 75.50m oa |
| Width | 7.85m |
| Draught | 2.60m |
| Machinery | 2-shaft diesel, 3600bhp |
| Fuel | oil 35t |
| Speed | 20kt |
| Range | 2550nm by 14kt |
| Armament | 2-40mm AA (Hirashima and later, 1-8cm AA gun), 2-13.2mm AA, 120 mines |
| Complement | 100 |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| Sokuten | FY1937 | Mitsubishi, Yokohama | 1937. 6.24 | 1938. 4.27 | 1938.12.28 | MLB | 1944. 1.31 MLB 1944. 7.25 sunk (air attack, at Palau) [07.20N, 134.27E] 1944. 9.10 disc |
| Shirakami | FY1937 | Ishikawajima SB | 1937. 9. 3 | 1938. 6.25 | 1939. 4.25 | MLB | 1944. 1.31 MLB 1944. 3. 4 lost (collision with transport, S of Uruppu I) [45.30N, 150E] 1944. 5.10 disc |
| Naryu | FY1937 | Mitsubishi, Yokohama | 1939. 3.24 | 1939. 8.28 | 1940. 6.20 | MLB | 1944. 1.31 MLB 1945. 2.16 sunk (torpedoed, off Shionomisaki) [32.10N, 139.58E] 1945. 4.10 disc |
| Kyosai | FY1937 | Ishikawajima SB | 1938. 6.22 | 1939. 6.29 | 1939.12.27 | MLB | 1944. 1.31 MLB 1945. 9. 5 disc 1945.12. 1 Transport for retreat 1947.11.20 to UK 1948. 3.31 BU complete |
| Ukishima | FY1937 | Ishikawajima SB | 1939. 7.28 | 1939.12. 9 | 1940.10.31 | MLB | 1943.11.16 sunk (torpedoed, off Hatsushima) [34.55N, 139.22E] 1944. 1.31 disc |
| Hirashima | FY1939 | Mitsubishi, Yokohama | 1939. 9. 6 | 1940. 6. 6 | 1940.12.24 | MLB | 1943. 7.27 sunk (torpedoed, W of Goto Is) [32.32N, 127.41E] 1943.11. 1 disc |
| Hoko | FY1939 | Tama SB | 1940.11. 7 | 1941. 9. 8 | 1941.12.20 | MLB | 1943. 9.28 sunk (air attack, Central Solomons) [05.00S, 154.30E] 1944. 1.31 disc |
| Ishizaki | FY1939 | Mitsubishi, Yokohama | 1941. 3.10 | 1941. 8.13 | 1942. 2.28 | MLB | 1944. 1.31 MLB 1945.11.30 disc 1945.12. 1 minesweeper 1947.10. 1 to USA, BU |
| Takashima | FY1939 | Nihon Kokan | 1940.12.11 | 1941.10.18 | 1942. 3.25 | MLB | 1944. 1.31 MLB 1944.10.10 sunk (air attack, Nago bay) [26.39N, 127.52E] 1944.12.10 disc |
| Saishu | FY1939 | Osaka IWks | 1941. 1.15 | 1941.11.15 | 1942. 4.25 | MLB | 1944. 1.31 MLB 1945.10.22 disc 1945.12. 1 Transport for retreat 1947.10. 3 to Chi 1964 disc |
| Niizaki | FY1939 | Mitsui, Tamano | 1941. 7.12 | 1942. 3. 2 | 1942. 8.31 | MLB | 1944. 1.31 MLB 1945.10. 4 sunk (mined, off Muroran) 1945.10. 5 disc |
| Yurijima | FY1939 | Nihon Kokan | 1941.10.31 | 1942. 7. 4 | 1942.11.25 | MLB | 1944. 1.31 MLB 1945. 1.14 sunk (torpedoed, E of Malay Pen) [05.51N, 103.16E] 1945. 3.10 disc |
| Nuwajima | FY1939 | Osaka IWks | 1941.11.26 | 1942. 7.31 | 1942.11.15 | MLB | 1944. 1.31 MLB 1945. 4.30 damaged (air attack, Saeki bay) [32.56N, 131.05E] 1945.11.20 disc |
| Maejima | FY1939 | Nihon Kokan | 1942. 7.20 | 1943. 4.18 | 1943. 7.31 | MLB | 1944. 1.31 MLB 1944.10.21 sunk (air attack, W of Luzon) [17.46N, 120.25E] 1944.12.10 disc |
| Moroshima | FY1939 | - | - | - | 1942 cancelled |