| Item | Part No. | Part Name | Qty | Serial No. |
| 421-20-A1220 | SHAFT ASSEMBLY, REAR | |||
| 1 | (NSS) | SHAFT | ||
| 2 | 421-20-A1180 | KIT, STUFFING CAP | ||
| 3 | (NSS) | SEAL, OIL | ||
| 4 | (NSS) | RING, RETAINER | ||
| 5 | (NSS) | COVER | ||
| 6 | 109 454 | FITTING, GREASE | ||
| 7 | 421-20-A1230 | SPIDER AND BOLT ASSEMBLY | ||
| 8 | (NSS) | SPIDER AND BEARING | ||
| 9 | (NSS) | BOLT | ||
| 10 | 126 152 | FITTING, GREASE | ||
| N/I | 273 352 | FITTING, GREASE SHORT | ||
| F1 - EFFECTIVE WITH S/N 5029 AND UP. | ||||