| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 42W-64-23120 | ACTUATER | H50051-H50129 | |
| 2 | \6\ | HOUSING | H50051-H50129 | |
| 3 | 42T-64-H0R41 | CHECK VALVE | H50051-H50129 | |
| 4 | 42T-64-H0R42 | PLUG | H50051-H50129 | |
| 5 | 42T-64-H0R43 | SLEEVE | H50051-H50129 | |
| 6 | 42T-64-H0R44 | RING | H50051-H50129 | |
| 7 | 42T-64-H0R45 | PLUG | H50051-H50129 | |
| 8 | 42T-64-H0R02 | PRESSURE LIMIT.VALVE | H50051-H50129 | |
| 9 | 42W-64-H0P03 | VALVE | H50051-H50129 | |
| 10 | 42T-64-H0R13 | VALVE | H50051-H50129 | |
| 11 | 42T-64-H0R14 | SHOCK VALVE | H50051-H50129 | |
| 12 | 42T-64-H0R64 | SPOOL | H50051-H50129 | |
| 13 | 42T-64-H0R07 | SPOOL | H50051-H50129 | |
| 14 | 42T-64-H0R08 | SPOOL | H50051-H50129 | |
| 15 | 42T-64-H0R65 | O-RING | H50051-H50129 | |
| 16 | 42T-64-H0R66 | POSITIONER | H50051-H50129 | |
| 17 | 42T-64-H0R67 | POSITIONER | H50051-H50129 | |
| 18 | 42T-64-H0R11 | VALVE | H50051-H50129 | |
| 19 | 42T-64-H0R10 | PLUG | H50051-H50129 | |
| 20 | 42T-64-H0R09 | DISC | H50051-H50129 |