| Item | Part No. | Part Name | Qty | Serial No. |
| 233-61-00010 | VALVE ASS'Y | 20028- | ||
| 1 | 233-61-11110 | BODY | 20028- | |
| 2 | 07043-00312 | PLUG | 20028- | |
| 3 | 07043-00108 | PLUG | 20028- | |
| 4 | 238-60-31610 | VALVE | 20028- | |
| 5 | 232-860-5140 | SPOOL | 20028- | |
| 6 | 07750-01623 | VALVE | 20028- | |
| 7 | 07750-01628 | SPRING | 20028- | |
| 8 | 07040-11812 | PLUG | 20028- | |
| 9 | 07002-11823 | O-RING | 20028- | |
| 10 | 234-60-16241 | SPRING | 20028- | |
| 11 | 232-860-5150 | COLLAR | 20028- | |
| 12 | 233-61-11120 | PLUG | 20028- | |
| 13 | 07002-13334 | O-RING | 20028- | |
| 14 | 234-60-16280 | SPRING | 20028- | |
| 15 | 232-860-5250 | PLATE | 20028- | |
| 16 | 232-860-5230 | PLUG | 20028- | |
| 17 | 232-860-5220 | PLUG | 20028- | |
| 18 | 232-860-5160 | PLUG | 20028- |