| Item | Part No. | Part Name | Qty | Serial No. |
| VALVE ASSEMBLY, 2-SPOOL CONTROL(SEE FIG. Y1660-01A0) | A31001-UP- | |||
| 709-90-53200 | VALVE ASSEMBLY, RELIEF | A31001-UP- | ||
| 1 | (NSS) | SLEEVE | A31001-UP- | |
| 2 | 700-93-11320 | O-RING | A31001-UP- | |
| 3 | 700-93-11330 | RING, BACK-UP | A31001-UP- | |
| 4 | 07002-13634 | O-RING | A31001-UP- | |
| 5 | (NSS) | PLUG | A31001-UP- | |
| 6 | (NSS) | VALVE | A31001-UP- | |
| 7 | 700-90-51320 | SPRING | A31001-UP- | |
| 8 | 700-90-51150 | SEAT | A31001-UP- | |
| 9 | 07000-F2016 | O-RING | A31001-UP- | |
| 10 | 07001-02016 | RING, BACK-UP | A31001-UP- | |
| 11 | 700-80-51240 | SPACER | A31001-UP- | |
| 12 | 700-80-61190 | POPPET | A31001-UP- | |
| 13 | 700-90-51160 | SPRING | A31001-UP- | |
| 14 | 700-90-51250 | RETAINER | A31001-UP- | |
| 15 | 700-90-51270 | HOLDER | A31001-UP- | |
| 16 | 07002-13034 | O-RING | A31001-UP- | |
| 17 | 700-90-51190 | NUT | A31001-UP- | |
| 18 | 700-90-51281 | SCREW | A31001-UP- | |
| 19 | 700-90-51290 | WASHER | A31001-UP- | |
| 20 | 01580-10806 | NUT | A31001-UP- | |
| 21 | 700-90-51311 | NUT | A31001-UP- | |
| 709-10-62101 | VALVE ASSEMBLY, SUCTION AND SAFETY | A31001-UP- | ||
| 22 | 700-90-61211 | SLEEVE | A31001-UP- | |
| 23 | 07002-13634 | O-RING | A31001-UP- | |
| 24 | (NSS) | VALVE | A31001-UP- | |
| 25 | (NSS) | SEAL | A31001-UP- | |
| 26 | (NSS) | POPPET | A31001-UP- | |
| 27 | (NSS) | SPRING | A31001-UP- | |
| 28 | (NSS) | PISTON | A31001-UP- | |
| 29 | (NSS) | O-RING | A31001-UP- | |
| 30 | (NSS) | RING | A31001-UP- | |
| 31 | (NSS) | O-RING | A31001-UP- | |
| 32 | (NSS) | SEAL | A31001-UP- | |
| 33 | (NSS) | NUT | A31001-UP- | |
| 34 | 700-90-61170 | SPRING | A31001-UP- | |
| 700-90-74001 | VALVE ASSEMBLY, SUCTION | A31001-UP- | ||
| 35 | 700-90-61211 | SLEEVE | A31001-UP- | |
| 36 | 07002-13634 | O-RING | A31001-UP- | |
| 37 | (NSS) | VALVE | A31001-UP- | |
| 38 | (NSS) | SEAL | A31001-UP- | |
| 39 | 700-90-61170 | SPRING | A31001-UP- | |
| 702-21-04170 | VALVE ASSEMBLY, PILOT | A31001-UP- | ||
| 40 | 702-21-37360 | SLEEVE | A31001-UP- | |
| 41 | 07000-12020 | O-RING | A31001-UP- | |
| 42 | 07001-02020 | RING, BACK-UP | A31001-UP- | |
| 43 | 700-13-31161 | O-RING | A31001-UP- | |
| 44 | (NSS) | RETAINER | A31001-UP- | |
| 45 | 07002-13034 | O-RING | A31001-UP- | |
| 46 | 702-21-37410 | POPPET | A31001-UP- | |
| 47 | 702-21-37390 | PISTON | A31001-UP- | |
| 48 | 700-20-51350 | SPRING | A31001-UP- | |
| 49 | 700-20-51340 | SCREW | A31001-UP- | |
| 50 | 07000-12011 | O-RING | A31001-UP- | |
| 51 | 01582-01411 | NUT | A31001-UP- | |
| 52 | (NSS) | PISTON | A31001-UP- |