| Item | Part No. | Part Name | Qty | Serial No. |
| 721-31-15010 | ACCUMULATOR | 50001-50056 | ||
| 1 | 721-10-15060 | CYLINDER | 50001-@ | |
| 2 | 721-29-15030 | COVER,TOP | 50001-@ | |
| 3 | 721-89-10043 | PLATE, SPECIFICATION | 50001-50056 | |
| 4 | 707-34-10150 | O-RING | 50001-@ | |
| 5 | 07001-05140 | RING,BACK-UP | 50001-@ | |
| 6 | 07000-15140 | O-RING | 50001-@ | |
| 7 | 721-36-15010 | PISTON | 50001-50056 | |
| 8 | 721-47-12110 | SEAL | 50001-50056 | |
| 9 | 07156-01517 | RING,WEAR | 50001-@ | |
| 10 | 721-88-12110 | RING,BACK-UP | 50001-50056 | |
| 11 | 721-47-12120 | SEAL | 50001-@ | |
| 12 | 721-89-12011 | VALVE | 50001-@ |