| Item | Part No. | Part Name | Qty | Serial No. |
| 664 760 C91 | GOVERNOR ASSEMBLY, AIR | | |
| 631 626 C91 | KIT, GOVERNOR REPAIR | | |
| 1 | (NSS) | O-RING, EXHAUST STEM | | |
| 2 | (NSS) | VALVE, INLET AND EXHAUST | | |
| 3 | (NSS) | SPRING, VALVE | | |
| 4 | (NSS) | O-RING, PISTON | | |
| 5 | (NSS) | COVER, GOVERNOR | | |
| 6 | (NSS) | FILTER, GOVERNOR | | |
| 7 | (NSS) | BODY, GOVERNOR | | |
| 8 | (NSS) | PISTON, GOVERNOR | | |
| 9 | (NSS) | WASHER, FLAT | | |
| 10 | (NSS) | SPRING, EXHAUST STEM | | |
| 11 | (NSS) | STEM, EXHAUST | | |
| 12 | (NSS) | SCREW, PRESSURE ADJUSTING | | |
| 13 | (NSS) | SEAT, SPRING - LOWER | | |
| 14 | (NSS) | GUIDE, SPRING | | |
| 15 | (NSS) | SPRING, PRESSURE ADJUSTING | | |
| 16 | (NSS) | SEAT, SPRING - UPPER | | |
| 17 | (NSS) | NUT, ADJUSTING SCREW | | |
| 18 | (NSS) | RING, RETAINING | | |
| 19 | (NSS) | PLUG, PORT - 1/8 IN. PIPE | | |
