| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 709-90-53901 | VALVE ASS'Y,RELIEF (30 KG/CM2) | 50088- | |
| 1 | 709-90-53900 | VALVE ASS'Y,RELIEF (30 KG/CM2) | 50001-50087 | |
| 2 | 702-13-51310 | O-RING | 50088- | |
| 2 | 702-13-51290 | O-RING | 50001-50087 | |
| 3 | 700-93-11330 | RING,BACK-UP | 50001- | |
| 4 | 07002-23634 | O-RING | 50088- | |
| 4 | 07002-13634 | O-RING | 50001-50087 |