| Item | Part No. | Part Name | Qty | Serial No. |
| 723-18-17802 | Valve, Control | 21039- | ||
| 723-18-17801 | Valve, Control | 21001-21038 | ||
| 1 | 723-11-17370 | Case, Spring | 21001- | |
| 1 | 723-11-01530 | Case Subassembly | 21001- | |
| 2 | Case, Spring | 22001- | ||
| 2 | Case, Spring | 21001-22000 | ||
| 3 | Seat | 21001- | ||
| 4 | Ball | 21001- | ||
| 5 | Plug | 21001- | ||
| 6 | 07002-10823 | O-ring | 21001- | |
| 7 | 07000-11004 | O-ring | 21001- | |
| 8 | 722-12-19120 | O-ring | 21001- |