| Item | Part No. | Part Name | Qty | Serial No. |
| 56B-40-33701 | Valve Assembly | 10001- | ||
| 1 | 581-40-54420 | Spring | 10001- | |
| 2 | 581-40-54410 | Spring | 10001- | |
| 3 | 581-40-54380 | Plug | 10001- | |
| 4 | 581-40-54370 | Valve | 10001- | |
| 5 | 581-40-54360 | Orifice | 10001- | |
| 6 | 581-40-54350 | Orifice | 10001- | |
| 7 | 581-40-54340 | Orifice | 10001- | |
| 8 | 581-40-54320 | Spring | 10001- | |
| 9 | 581-40-54310 | Spring | 10001- | |
| 10 | 581-40-54290 | Spring | 10001- | |
| 11 | 581-40-54280 | Orifice | 10001- | |
| 12 | 581-40-54270 | Guide | 10001- | |
| 13 | 581-40-54260 | Stopper | 10001- | |
| 14 | 581-40-54250 | Stopper | 10001- | |
| 15 | 581-40-54210 | Cover | 10001- | |
| 16 | 581-40-54190 | Cover | 10001- | |
| 17 | 581-40-54180 | Washer | 10001- | |
| 18 | 581-40-54170 | Bolt | 10001- | |
| 19 | 581-40-54160 | Washer | 10001- | |
| 20 | 581-40-54150 | Bolt | 10001- | |
| 21 | 581-40-54130 | O-ring, (Kit : K03) | 10001- | |
| 22 | O-ring, (Kit : K03) | 10001- | ||
| 23 | O-ring, (Kit : K03) | 10001- | ||
| 24 | O-ring, (Kit : K03) | 10001- | ||
| 25 | O-ring, (Kit : K03) | 10001- | ||
| 26 | O-ring, (Kit : K03) | 10001- |