| Item | Part No. | Part Name | Qty | Serial No. |
| 566-35-42530 | AIR GOVERNOR ASS'Y | 50001-52000 | ||
| 1 | 565-44-16110 | BODY ASS'Y | 50001-52000 | |
| 2 | 565-44-16120 | FILTER | 50001-52000 | |
| 3 | 565-44-16130 | PISTON ASS'Y | 50001-52000 | |
| 4 | \6\ | O-RING | 50001-52000 | |
| 5 | \6\ | VALVE | 50001-52000 | |
| 6 | \6\ | SPRING | 50001-52000 | |
| 7 | \6\ | O-RING | 50001-52000 | |
| 8 | 565-44-16190 | SPRING | 50001-52000 | |
| 9 | 565-44-16210 | STEM | 50001-52000 | |
| 10 | 565-44-16220 | ADJUSTING SCREW A. | 50001-52000 | |
| 11 | 565-44-16230 | RING | 50001-52000 | |
| 12 | 565-44-16240 | COVER | 50001-52000 |