| Item | Part No. | Part Name | Qty | Serial No. |
| 427-S33-3120 | VALVE ASSEMBLY, STEERING DEMAND | A50001-- | ||
| 1 | 427-S33-1710 | VALVE ASSEMBLY, RELIEF | A50001-- | |
| 2 | 427-S33-1720 | VALVE ASSEMBLY, RELIEF | A50001-- | |
| 3 | 427-S33-1730 | VALVE ASSEMBLY, OVERLOAD RELIEF | A50001-- | |
| 4 | 427-S33-1760 | RING, BACK-UP | A50001-- | |
| 5 | 427-S33-1770 | RING, BACK-UP | A50001-- | |
| 6 | 427-S33-1780 | RING, BACK-UP | A50001-- | |
| 7 | 427-S33-1790 | O-RING | A50001-- | |
| 8 | 427-S33-1810 | O-RING | A50001-- | |
| 9 | 427-S33-1820 | O-RING | A50001-- | |
| 10 | 427-S33-1830 | O-RING | A50001-- | |
| 11 | 427-S33-1840 | O-RING | A50001-- | |
| 12 | 427-S33-1850 | O-RING | A50001-- | |
| 13 | 427-S33-1860 | O-RING | A50001-- | |
| 14 | 427-S33-1870 | O-RING | A50001-- | |
| 15 | 427-S33-1880 | O-RING | A50001-- | |
| 16 | 421-64-15870 | O-RING | A50001-- | |
| 17 | 421-64-15460 | O-RING | A50001-- | |
| 18 | (NSS) | SPOOL | A50001-- | |
| 19 | (NSS) | SPOOL | A50001-- | |
| 20 | KB21111-43136 | POPPET | A50001-- | |
| 21 | KB21111-90440 | PLUG | A50001-- | |
| 22 | KB21111-52447 | SHIM | A50001-- | |
| 23 | KB91911-01649 | SCREW | A50001-- | |
| 24 | KB21001-00046 | PLATE, NAME | A50001-- |