| Item | Part No. | Part Name | Qty | Serial No. |
| 566-35-42530 | AIR GOVERNOR ASS'Y | 2501- | ||
| 1 | 565-44-16110 | BODY ASS'Y | 2501- | |
| 2 | 565-44-16120 | FILTER (KIT) | 2501- | |
| 3 | 565-44-16130 | PISTON ASS'Y | 2501- | |
| 4 | 565-44-16140 | O-RING (KIT) | 2501- | |
| 5 | \6\ | WASHER | 2501- | |
| 6 | 565-44-16160 | VALVE,PRESSURE REGULATOR (KIT) | 2501- | |
| 7 | 565-44-16170 | SPRING (KIT) | 2501- | |
| 8 | 565-44-16180 | O-RING (KIT) | 2501- | |
| 9 | 565-44-16190 | SPRING | 2501- | |
| 10 | 565-44-16210 | STEM | 2501- | |
| 565-44-16220 | ADJUSTING SCREW A. | 2501- | ||
| 11 | 380-177629-1 | SCREW | 2501- | |
| 12 | 380-177630-1 | SEAT | 2501- | |
| 13 | 380-177631-1 | GUIDE | 2501- | |
| 14 | 380-177632-1 | SPRING | 2501- | |
| 15 | 380-177633-1 | SEAT | 2501- | |
| 16 | 380-H24-0000 | NUT | 2501- | |
| 17 | 565-44-16230 | RING | 2501- | |
| 18 | 565-44-16240 | COVER (KIT) | 2501- |