| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-30-00590 | CUSHION ASS'Y | 20001- | ||
| 1 | 20Y-30-42110 | YOKE | 20001- | |
| 2 | 206-30-45381 | NUT | 20001- | |
| 3 | 20Y-30-42160 | LOCK | 20001- | |
| 4 | 01010-81225 | BOLT | 20001- | |
| 5 | 01643-31232 | WASHER | 20001- | |
| 6 | 206-30-72140 | SHAFT | 20001- | |
| 7 | 07155-00720 | RING | 20001- | |
| 8 | 09370-00070 | U-PACKING | 20001- | |
| 9 | 04064-04518 | RING | 20001- | |
| 10 | 20Y-30-42130 | SPRING | 20001- | |
| 11 | 20Y-30-42120 | CYLINDER | 20001- | |
| 12 | 07177-07030 | BUSHING | 20001- | |
| 13 | 707-56-70540 | SEAL | 20001- | |
| 14 | 04077-00085 | RING | 20001- | |
| 15 | 07959-20001 | VALVE | 20001- | |
| 16 | 205-30-72170 | PLATE | 20001- | |
| 17 | 01010-81225 | BOLT | 20001- | |
| 18 | 01643-31232 | WASHER | 20001- | |
| 19 | 01010-61655 | BOLT | 20001- | |
| 20 | 01643-31645 | WASHER | 20001- |