| Item | Part No. | Part Name | Qty | Serial No. |
| 20D-60-12501 | VALVE ASS'Y | 1003- | ||
| 1 | NA2539-3146216 | BODY | 1003- | |
| 2 | NA2539-4146217 | SPOOL | 1003- | |
| 3 | NA0360-0001000 | PLUG | 1003- | |
| 4 | NA2539-4146219 | PISTON | 1003- | |
| 5 | NA0401-1000210 | O-RING | 1003- | |
| 6 | NA0401-2000300 | O-RING | 1003- | |
| 7 | NA2539-4146218 | SPOOL | 1003- | |
| 8 | NA002-0106025 | BOLT | 1003- | |
| 9 | NA0150-1020074 | WASHER | 1003- | |
| 10 | NA2539-4146220 | SPRING | 1003- | |
| 11 | NA6254-4085212 | O-RING | 1003- | |
| 12 | NA2539-4146221 | PLUG | 1003- |