| Item | Part No. | Part Name | Qty | Serial No. |
| 1252 159 H91 | VALVE, DUAL COUNTERBALANCE | 211061-211069- | ||
| 1 | (NSS) | BLOCK, VALVE | 211061-211069- | |
| 2 | 1257 986 H1 | CARTRIDGE, COUNTERBALANCE | 211061-211069- | |
| 1257 988 H1 | KIT, SEAL | 211061-211069- | ||
| 3 | (NSS) | RING, BACKUP | 211061-211069- | |
| 4 | (NSS) | O-RING | 211061-211069- | |
| 5 | (NSS) | RING, BACKUP | 211061-211069- | |
| 6 | (NSS) | RING, BACKUP | 211061-211069- | |
| 7 | (NSS) | O-RING | 211061-211069- |