| Item | Part No. | Part Name | Qty | Serial No. |
| 709-20-72100 | RELIEF VALVE ASS'Y | 28001- | ||
| 1 | \6\ | SLEEVE | 28001- | |
| 2 | \6\ | VALVE | 28001- | |
| 3 | 700-20-51250 | SPRING | 28001- | |
| 4 | 700-20-51240 | RING | 28001- | |
| 5 | 700-80-61190 | POPPET | 28001- | |
| 6 | 700-20-51350 | SPRING | 28001- | |
| 7 | 700-20-51340 | SCREW | 28001- | |
| 8 | 01583-11408 | NUT | 28001- | |
| 9 | 07000-02011 | O-RING | 28001- | |
| 10 | 700-22-11410 | O-RING | 28001- | |
| 11 | 07002-02434 | O-RING | 28001- | |
| 12 | 709-20-71140 | SLEEVE | 28001- | |
| 13 | 07000-12010 | O-RING | 28001- | |
| 14 | 07001-02010 | RING,BACK-UP | 28001- | |
| 15 | 709-25-11390 | O-RING | 28001- |