| NO. | 参数代号 | 类型 | 材质 | 对应图纸 |
| 277 | SOOS10-10 | SOO | S | - | 278 | SOOS12-8 | SOO | S | - |
| 279 | SOOS12-10 | SOO | S | - | 280 | SOOS12-12 | SOO | S | - |
| 281 | SOOS13-8 | SOO | S | - | 282 | SOOS13-10 | SOO | S | - |
| 283 | SOOS15-8 | SOO | S | - | 284 | SOOS15-10 | SOO | S | - |
| 285 | SOOS15-12 | SOO | S | - | 286 | SOOS20-10 | SOO | S | - |
| 287 | SOOS20-12 | SOO | S | - | 288 | SOOS20-15 | SOO | S | - |