| Item | Part No. | Part Name | Qty | Serial No. |
| 418-64-15500 | VALVE ASS'Y | 20001-20218 | ||
| 1 | 418-64-15510 | HOUSING | 20001-20218 | |
| 2 | 418-64-15740 | ORIFICE | 20001-20218 | |
| 3 | 418-64-15570 | ORIFICE | 20001-20218 | |
| 4 | 418-64-15720 | PLUG | 20001-20218 | |
| 5 | 418-64-15730 | PLUG | 20001-20218 | |
| 6 | 418-64-15520 | POPPET | 20001-20218 | |
| 7 | 418-64-15530 | SPRING | 20001-20218 | |
| 8 | 418-64-15540 | PLUG,SEAT | 20001-20218 | |
| 9 | 418-64-15560 | O-RING | 20001-20218 | |
| 10 | 418-64-15550 | O-RING | 20001-20218 | |
| 11 | 418-64-15590 | SPOOL | 20001-20218 | |
| 12 | 418-64-15710 | SPRING | 20001-20218 | |
| 13 | 418-64-15580 | PLUG | 20001-20218 | |
| 14 | 418-64-15550 | O-RING | 20001-20218 |