| Item | Part No. | Part Name | Qty | Serial No. |
| UC4720163881 | RELIEF VALVE | 1201- | ||
| 1 | UC1100549345 | CASE | 1201- | |
| 2 | UC1720104784 | VALVE SEAT | 1201- | |
| 3 | UC1720104775 | POPPET | 1201- | |
| 4 | UC1720162881 | SPRING | 1201- | |
| 5 | UC1709219485 | SPRING | 1201- | |
| 6 | UC1704259259 | SPRING | 1201- | |
| 7 | UC1720162899 | SCREW | 1201- | |
| 8 | UC1300170008 | O-RING | 1201- | |
| 9 | UC1701577747 | RING¤ BACK-UP | 1201- | |
| 10 | UC1100550804 | SCREW | 1201- | |
| 11 | UC1701527072 | NUT | 1201- | |
| 12 | UC1300022009 | O-RING | 1201- | |
| UC4704346369 | RELIEF VALVE | 1201- | ||
| 13 | UC1704401744 | CASE | 1201- | |
| 14 | UC1100405593 | PISTON | 1201- | |
| 15 | UC1720103369 | SPRING SEAT | 1201- | |
| 16 | UC1704359019 | SPRING | 1201- | |
| 17 | UC1300170008 | O-RING | 1201- | |
| 18 | UC1701503699 | SHIM¤ 1.0MM | 1201- | |
| UC1701503709 | SHIM¤ 0.5MM | 1201- | ||
| UC1701534025 | SHIM¤ 0.3MM | 1201- | ||
| UC4704467631 | CUT-OFF VALVE | 1201-1800 | ||
| 19 | UC1704498867 | PLUG | 1201-1800 | |
| 20 | UC1704314521 | BARREL | 1201-1800 | |
| 21 | UC1704321629 | POPPET | 1201-1800 | |
| 22 | UC1704321639 | PISTON | 1201-1800 | |
| 23 | UC1704321648 | SPOOL | 1201-1800 | |
| 24 | UC1704362841 | VALVE SEAT | 1201-1800 | |
| 25 | UC1720094027 | SPRING | 1201-1800 | |
| 26 | UC1704398336 | SPRING | 1201-1800 | |
| 27 | UC1704321675 | SCREW | 1201-1800 | |
| 28 | UC1300141009 | O-RING | 1201-1800 | |
| 29 | UC1701527072 | NUT | 1201-1800 | |
| 30 | UC1300022009 | O-RING | 1201-1800 |