| Item | Part No. | Part Name | Qty | Serial No. |
| 144-49-16102 | RELIEF VALVE ASS'Y | 15001- | ||
| 1 | 144-49-16110 | BODY,VALVE | 15001- | |
| 2 | 104-15-25480 | VALVE | 15001- | |
| 3 | 104-15-25490 | VALVE | 15001- | |
| 4 | 125-15-15290 | SPRING | 15001- | |
| 5 | 144-49-16170 | SPOOL | 15001- | |
| 6 | 104-15-25280 | SPRING | 15001- | |
| 7 | 104-15-25290 | SPRING¤ (L= 62.0) | 15001- | |
| 8 | 104-15-25260 | SPACER | 15001- | |
| 9 | 113-15-25260 | SHIM¤ 0.5MM | 15001- | |
| 113-15-25270 | SHIM¤ 0.2MM | 15001- | ||
| 10 | 144-49-16180 | VALVE | 15001- | |
| 11 | 144-40-21621 | SPRING | 15001- | |
| 12 | 144-49-16121 | PLUG | 15001- | |
| 13 | 144-49-16130 | PLUG | 15001- | |
| 14 | 144-49-16140 | PLUG | 15001- | |
| 15 | 144-49-16150 | PLUG | 15001- | |
| 16 | 07000-02020 | O-RING | 15001- | |
| 17 | 144-49-16160 | PLATE | 15001- | |
| 18 | 113-15-25350 | PLATE | 15001- | |
| 19 | 01010-80816 | BOLT | 15001- | |
| 20 | 01602-20825 | WASHER,SPRING | 15001- | |
| 21 | 07040-10807 | PLUG | 15001- | |
| 22 | 07002-00823 | O-RING | 15001- |