| Item | Part No. | Part Name | Qty | Serial No. |
| TRANSMISSION ASSEMBLY (SEE FIG. F4320-01A0) | A50001 -- | |||
| 428-15-25000 | CONTROL VALVE ASSEMBLY | A50001 -- | ||
| 1 | 425-15-15130 | SEAT | A50001 -- | |
| 2 | 07043-00211 | PLUG | A50001 -- | |
| 3 | 426-15-16510 | FILTER ASSEMBLY | A50001 -- | |
| 209-38-12470 | ELEMENT | A50001 -- | ||
| 209-38-12480 | O-RING | A50001 -- | ||
| 209-38-12490 | RING | A50001 -- | ||
| 4 | 01010-81035 | BOLT | A50001 -- | |
| 5 | 01602-21030 | WASHER, SPRING | A50001 -- | |
| 6 | 01641-21016 | WASHER | A50001 -- | |
| 7 | 07000-72014 | O-RING | A50001 -- | |
| 428-15-00250 | BODY ASSEMBLY | A50001 -- | ||
| 8 | (NSS) | BODY | A50001 -- | |
| 9 | 07042-80818 | PLUG | A50001 -- | |
| 10 | 425-15-15220 | VALVE | A50001 -- | |
| 11 | 104-15-25480 | VALVE | A50001 -- | |
| 12 | 104-15-25490 | VALVE | A50001 -- | |
| 13 | 125-15-15290 | SPRING | A50001 -- | |
| 14 | 104-15-25290 | SPRING, (L=62.0) | A50001 -- | |
| 15 | 113-15-25260 | SHIM, 0.5 MM | A50001 -- | |
| 16 | 424-15-15650 | STOPPER | A50001 -- | |
| 17 | 04025-00640 | PIN | A50001 -- | |
| 18 | 424-15-15490 | GUIDE | A50001 -- | |
| 19 | 425-15-15480 | GUIDE | A50001 -- | |
| 20 | 424-15-15240 | VALVE | A50001 -- | |
| 21 | 104-15-25480 | VALVE | A50001 -- | |
| 22 | 104-15-25490 | VALVE | A50001 -- | |
| 23 | 125-15-15290 | SPRING | A50001 -- | |
| 24 | 428-15-15560 | VALVE | A50001 -- | |
| 25 | 428-15-16160 | SPRING | A50001 -- | |
| 26 | 428-15-16170 | SPRING | A50001 -- | |
| 27 | 424-15-15290 | STOPPER | A50001 -- | |
| 28 | 07000-72021 | O-RING | A50001 -- | |
| 29 | 428-15-15630 | VALVE | A50001 -- | |
| 30 | 424-15-15711 | SPACER | A50001 -- | |
| 31 | 07000-72021 | O-RING | A50001 -- | |
| 32 | 424-15-15340 | VALVE | A50001 -- | |
| 33 | 104-15-25480 | VALVE | A50001 -- | |
| 34 | 104-15-25490 | VALVE | A50001 -- | |
| 35 | 125-15-15290 | SPRING | A50001 -- | |
| 36 | 425-15-15490 | GUIDE | A50001 -- | |
| 37 | 428-15-15330 | SPRING | A50001 -- | |
| 38 | 425-15-15510 | PLUG | A50001 -- | |
| 39 | 07002-03034 | O-RING | A50001 -- | |
| 40 | 113-15-25260 | SHIM, 0.5 MM | A50001 -- |