| Item | Part No. | Part Name | Qty | Serial No. |
| 421-20-A1140 | FRONT SHAFT, WITH DEFLECTOR | |||
| 1 | (NSS) | DEFLECTOR | ||
| (NSS) | SHAFT ASSEMBLY, FRONT | |||
| 2 | (NSS) | SHAFT, FRONT | ||
| 3 | 421-20-A1160 | SPIDER AND BOLT ASSEMBLY | ||
| 4 | (NSS) | BOLT | ||
| 5 | (NSS) | SPIDER AND BEARING | ||
| 6 | (NSS) | FITTING, GREASE | ||
| 7 | 421-20-A1180 | KIT, STUFFING CAP | ||
| 8 | (NSS) | RING, RETAINER | ||
| 9 | (NSS) | SEAL, OIL | ||
| 10 | (NSS) | COVER | ||
| 11 | (NSS) | SHAFT | ||
| 12 | 421-20-A1190 | YOKE | ||
| 13 | 421-20-A1210 | WASHER, YOKE | ||
| 14 | 01010-62495 | BOLT | ||
| 15 | 421-20-15123 | BEARING, FLANGE | ||
| 16 | 01252-40625 | BOLT | ||
| 17 | 01602-20619 | WASHER, SPRING | ||
| 18 | 421-20-15620 | SEAL | ||
| 19 | 421-20-15630 | COVER | ||
| 20 | 07020-00675 | FITTING, GREASE | ||
| 21 | 01010-32075 | BOLT | ||
| 22 | 01643-32060 | WASHER | ||
| 23 | 01580-02016 | NUT | ||
| F1 - EFFECTIVE WITH S/N A25304 AND UP. | ||||