| Item | Part No. | Part Name | Qty | Serial No. |
| 421-20-33512 | SHAFT ASSEMBLY | H50051-H50879 | ||
| 1 | 421-20-33621 | SPIDER | H50051-H50879 | |
| 2 | 423-20-32631 | FITTING, GREASE | H50051-H50879 | |
| 3 | 421-20-12690 | BOLT | H50051-H50879 | |
| 4 | 421-20-33652 | SHAFT ASSEMBLY | H50051-H50879 | |
| 5 | 423-20-32740 | SEALING | H50051-H50879 | |
| 6 | 423-20-32750 | FITTING, GREASE | H50051-H50879 | |
| 7 | 421-20-13540 | DEFLECTOR | H50051-@ | |
| 8 | 421-20-15123 | BEARING | H50051-@ | |
| 9 | 421-20-15630 | COVER | H50051-@ | |
| 10 | 421-20-15620 | SEAL | H50051-@ | |
| 11 | 07020-00675 | FITTING, GREASE | H50051-@ | |
| 12 | 01252-40625 | BOLT | H50051-@ | |
| 13 | 01602-20619 | WASHER, SPRING | H50051-@ | |
| 14 | 01010-62075 | BOLT | H50051-@ | |
| 15 | 01643-32060 | WASHER | H50051-@ | |
| 16 | 01580-02016 | NUT | H50051-@ | |
| 421-20-13030 | COUPLING ASSEMBLY | H50051-@ | ||
| 17 | \6\ | COUPLING | H50051-@ | |
| 18 | 421-20-13540 | DEFLECTOR | H50051-@ | |
| 19 | 01011-62405 | BOLT | H50051-@ | |
| 20 | 424-20-13520 | HOLDER | H50051-@ | |
| 21 | 01050-61260 | BOLT | H50051-@ |