| Item | Part No. | Part Name | Qty | Serial No. |
| 234-61-31500 | VALVE ASS'Y,PILOT CHECK | 21001-21029 | ||
| 1 | 237-61-21110 | BODY | 21001-21029 | |
| 2 | 237-61-21140 | PISTON | 21001-21029 | |
| 234-61-00020 | VALVE ASS'Y | 21001-21029 | ||
| 3 | \6\ | SLEEVE | 21001-21029 | |
| 4 | \6\ | VALVE,MAIN | 21001-21029 | |
| 5 | 234-60-16350 | SPRING | 21001-21029 | |
| 6 | 237-61-21150 | PLUG | 21001-21029 | |
| 7 | 07002-12034 | O-RING | 21001-21029 | |
| 8 | 07000-12020 | O-RING | 21001-21029 | |
| 9 | 07001-02020 | RING,BACK-UP | 21001-21029 | |
| 10 | 07002-13034 | O-RING | 21001-21029 |