| Item | Part No. | Part Name | Qty | Serial No. |
| 427-S33-3120 | VALVE ASS'Y,STEERING DEMAND | | 50001-50003 |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.H0122-02A0 AND H0122-03A0. | | |
| 1 | 427-S33-1710 | VALVE ASS'Y,RELIEF | | 50001-50003 |
| 2 | 427-S33-1720 | VALVE ASS'Y,RELIEF | | 50001-50003 |
| 3 | 427-S33-1730 | VALVE ASS'Y,OVERLOAD RELIEF | | 50001-50003 |
| 4 | 427-S33-1760 | RING,BACK-UP | | 50001-50003 |
| 5 | 427-S33-1770 | RING,BACK-UP | | 50001-50003 |
| 6 | 427-S33-1780 | RING,BACK-UP | | 50001-50003 |
| 7 | 427-S33-1790 | O-RING | | 50001-50003 |
| 8 | 427-S33-1810 | O-RING | | 50001-50003 |
| 9 | 427-S33-1820 | O-RING | | 50001-50003 |
| 10 | 427-S33-1830 | O-RING | | 50001-50003 |
| 11 | 427-S33-1840 | O-RING | | 50001-50003 |
| 12 | 427-S33-1850 | O-RING | | 50001-50003 |
| 13 | 427-S33-1860 | O-RING | | 50001-50003 |
| 14 | 427-S33-1870 | O-RING | | 50001-50003 |
| 15 | 427-S33-1880 | O-RING | | 50001-50003 |
| 16 | 421-64-15870 | O-RING | | 50001-50003 |
| 17 | 421-64-15460 | O-RING | | 50001-50003 |
| 18 | \6\ | SPOOL | | 50001-50003 |
| 19 | \6\ | SPOOL | | 50001-50003 |
| 20 | KB21111-43136 | POPPET | | 50001-50003 |
| 21 | KB21111-90440 | PLUG | | 50001-50003 |
| 22 | KB21111-52447 | SHIM | | 50001-50003 |
| 23 | KB91911-01649 | SCREW | | 50001-50003 |
| 24 | KB21001-00046 | PLATE, NAME,(LIMITED SUPPLY) | | 50001-50003 |
