| Item | Part No. | Part Name | Qty | Serial No. |
| 1311 275 H91 | VALVE ASSEMBLY, MAIN SYSTEM RELIEF | | |
| 1 | 25 934 R1 | NUT, JAM - 3/8NF | | |
| 2 | 1218 050 H1 | WASHER, FLAT | | |
| 3 | 1218 047 H1 | SCREW, ADJUSTING | | |
| 4 | (NSS) | BODY, MAIN POPPET | | |
| 5 | (NSS) | O-RING, ADJUSTING SCREW | | |
| 6 | (NSS) | O-RING, PILOT POPPET BODY - UPPER | | |
| 7 | (NSS) | RING, BACKUP | | |
| 8 | (NSS) | O-RING, PILOT POPPET BODY - LOWER | | |
| 9 | (NSS) | O-RING, MAIN POPPET | | |
| 10 | (NSS) | RING, BACKUP | | |
| 11 | (NSS) | O-RING, MAIN POPPET BODY - SMALL | | |
| 12 | 297 459 R1 | O-RING, MAIN POPPET BODY - LARGE | | |
| 13 | (NSS) | RING, BACKUP | | |
| 14 | (NSS) | RING, RETAINING | | |
| 15 | (NSS) | SCREEN, ORIFICE | | |
| 16 | 1218 049 H1 | SPRING, PILOT POPPET | | |
| 17 | (NSS) | POPPET, PILOT | | |
| 18 | (NSS) | BODY ASSEMBLY, PILOT POPPET | | |
| 19 | (NSS) | BODY, PILOT POPPET | | |
| 20 | (NSS) | O-RING, POPPET SEAT | | |
| 21 | (NSS) | SEAT, PILOT POPPET | | |
| 22 | 1218 048 H1 | SPRING, MAIN POPPET | | |
| 23 | (NSS) | POPPET, MAIN | | |
| 1216 480 H1 | KIT, COMPLETE VALVE SEAL | | |
| 1216 481 H1 | KIT, EXTERNAL SEAL | | |
| | | | |
| | F1 - PART OF COMPLETE VALVE SEAL KIT 1216 480 H1. | | |
| | | | |
| | | | |
| | F2 - PART OF EXTERNAL SEAL KIT 1216 481 H1. | | |
| | | | |
