| Item | Part No. | Part Name | Qty | Serial No. |
| VALVE ASSEMBLY (SEE FIG. H0120-51A0) | A88001-- | |||
| 1 | 723-40-57200 | VALVE ASSEMBLY, UNLOADER | A88001-- | |
| 2 | 07000-12014 | O-RING | A88001-- | |
| 3 | 723-40-56350 | RING | A88001-- | |
| 4 | 07000-12016 | O-RING | A88001-- | |
| 5 | 723-60-22230 | RING, BACK-UP | A88001-- | |
| 6 | 07002-12434 | O-RING | A88001-- |