| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 281-34-11511 | VALVE ASS'Y,CHECK | 1005- | |
| 2 | 281-34-11540 | SEAT (KIT) | 1005- | |
| 3 | 281-34-11550 | VALVE (KIT) | 1005- | |
| 4 | 281-34-11561 | SPRING (KIT) | 1005- | |
| 1K | 281-34-05211 | SERVICE KIT,CHECK VALVE | 1005- | |
| 1K | 281-34-11540 | SEAT (KIT) | 1005- | |
| 1K | 281-34-11550 | VALVE (KIT) | 1005- | |
| 1K | 281-34-11561 | SPRING (KIT) | 1005- |