| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | (20U-63-02271) | BLADE CYLINDER ASS'Y | 12800- | |
| (20U-63-02270) | BLADE CYLINDER ASS'Y,(SEE FIG.Y1621-01A1) | 8001-12799 | ||
| 2 | 20U-71-11213 | COVER | 8001- | |
| 3 | 01010-81020 | BOLT | 8001- | |
| 4 | 01643-31032 | WASHER | 8001- | |
| 5 | 20T-71-71210 | PIN | 8001- | |
| 6 | 04082-00212 | LOCK | 8001- | |
| 7 | 01010-81230 | BOLT | 8001- | |
| 8 | 01643-31232 | WASHER | 8001- | |
| 9 | 20T-71-41211 | PIN | 8001- | |
| 10 | 20S-70-31190 | SPACER | 8001- | |
| 11 | 01010-81230 | BOLT | 8001- | |
| 12 | 20S-71-11230 | SHIM¤ 1.0MM | 8001- |