| Item | Part No. | Part Name | Qty | Serial No. |
| 419-64-15400 | VALVE ASS'Y,PRIORITY | 20001- | ||
| 1 | 419-64-15410 | HOUSING | 20001- | |
| 2 | 419-64-15420 | SPOOL | 20001- | |
| 3 | 419-64-15430 | SPRING | 20001- | |
| 4 | 419-64-15460 | PLUG | 20001- | |
| 5 | 419-64-15480 | PLUG | 20001- | |
| 6 | 419-64-15470 | O-RING | 20001- | |
| 7 | 419-64-15440 | RELIEF VALVE ASS'Y | 20001- | |
| 7 | 419-64-15450 | O-RING | 20001- |