| Item | Part No. | Part Name | Qty | Serial No. |
| 702-21-04470 | Valve Assembly | B20001- | ||
| 1 | Body | B20001- | ||
| 2 | Valve | B20001- | ||
| 3 | 702-21-37220 | Spring | B20001- | |
| 4 | Piston | B20001- | ||
| 5 | 702-21-37260 | Flange | B20001- | |
| 6 | 07000-B3032 | O-ring | B20001- | |
| 7 | 01252-61025 | Bolt, Hexagon Socket Head | B20001- | |
| 8 | 702-21-37251 | Screen Assembly | B20001- | |
| 9 | 07002-61423 | O-ring | B20001- | |
| 10 | 07000-B1007 | O-ring | B20001- | |
| 11 | 706-73-72420 | Valve | B20001- | |
| 12 | 706-73-72440 | Spring | B20001- | |
| 13 | 01252-60550 | Bolt | B20001- | |
| 14 | 702-21-04480 | Valve Assembly, Pilot | B20001- | |
| 15 | 07000-B2020 | O-ring | B20001- | |
| 16 | 07001-02020 | Ring, Back-up | B20001- | |
| 17 | 07000-B2022 | O-ring | B20001- | |
| 18 | 07002-63034 | O-ring | B20001- | |
| 19 | 702-21-04380 | Valve Assembly, Pilot | B20001- | |
| 20 | 07000-B1009 | O-ring | B20001- |