| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 421-43-37300 | PRESSURE REGULATOR | ||
| 2 | 07000-12011 | O-RING | ||
| 3 | 419-43-12310 | PISTON | ||
| 4 | 419-43-12330 | ADJUSTING SCREW | ||
| 5 | 419-43-12340 | NUT | ||
| 6 | 419-43-12350 | RING | ||
| 7 | 419-43-12380 | PLUG | ||
| 8 | 07000-12018 | O-RING | ||
| 9 | 419-43-12410 | PLUG | ||
| 10 | 07000-22014 | O-RING | ||
| 11 | 419-43-12430 | O-RING | ||
| 12 | 421-43-27410 | PISTON | ||
| 13 | 421-43-27420 | SPRING | ||
| 14 | 421-43-27430 | BALL | ||
| 15 | 421-43-27440 | SPRING | ||
| 16 | 421-43-27450 | SPRING | ||
| 17 | 421-43-27460 | PRESSURE VALVE | ||
| 18 | 421-43-27140 | SEAL | ||
| 19 | 421-43-27470 | O-RING | ||
| 20 | 421-43-27480 | O-RING | ||
| 21 | 421-43-27520 | STRAINER | ||
| 22 | 421-43-27530 | RING | ||
| 23 | 421-43-27540 | STUD |