| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 131-21-43433 | DRUM | 50001- | |
| 2 | 131-21-43520 | RING,SEAL | 50001- | |
| 3 | 145-21-13121 | DISC | 50001- | |
| 4 | 131-21-43440 | PLATE | 50001- | |
| 5 | 145-21-13132 | PLATE | 50001- | |
| 6 | 141-21-33241 | PISTON | 50001- | |
| 7 | 131-21-43510 | RING,SEAL | 50001- | |
| 8 | 131-21-43451 | PLATE | 50001- | |
| 9 | 144-21-12251 | PIN | 50001- | |
| 10 | 131-21-43411 | SPRING | 50001- | |
| 11 | 141-21-33161 | FLANGE | 50001- | |
| 12 | 131-21-43480 | PIN | 50001- | |
| 13 | 131-21-43540 | BOLT | 50001- | |
| 14 | 01582-03024 | NUT | 50001- | |
| 15 | 131-21-43490 | PLATE,LOCK | 50001- | |
| 16 | 01010-51020 | BOLT | 50001- | |
| 17 | 01602-01030 | WASHER,SPRING | 50001- | |
| 18 | 144-22-51110 | DRUM | 50001- |