| Item | Part No. | Part Name | Qty | Serial No. |
| VALVE ASSEMBLY (SEE FIG. Y1661-01A0) | A31001-UP- | |||
| 709-19-52800 | VALVE ASSEMBLY, RELIEF | A31001-UP- | ||
| 1 | NSS | SLEEVE | A31001-UP- | |
| 2 | 07000-23032 | O-RING | A31001-UP- | |
| 3 | 07001-03032 | RING | A31001-UP- | |
| 4 | 07002-15234 | O-RING | A31001-UP- | |
| 5 | 709-10-51180 | RING, SNAP | A31001-UP- | |
| 6 | NSS | VALVE | A31001-UP- | |
| 7 | 709-10-51140 | SPRING | A31001-UP- | |
| 8 | 709-10-51150 | SEAT | A31001-UP- | |
| 9 | 07000-13022 | O-RING | A31001-UP- | |
| 10 | 07001-03022 | RING, BACK-UP | A31001-UP- | |
| 11 | 700-90-51160 | SPRING | A31001-UP- | |
| 12 | 07002-13634 | O-RING | A31001-UP- | |
| 13 | 01583-13621 | NUT | A31001-UP- | |
| 14 | 700-80-61190 | POPPET | A31001-UP- | |
| 15 | 700-80-51240 | SPACER | A31001-UP- | |
| 16 | 709-10-51160 | HOLDER | A31001-UP- | |
| 17 | 709-10-51170 | RETAINER | A31001-UP- | |
| 18 | 700-20-63141 | SCREW | A31001-UP- | |
| 19 | 07000-12015 | O-RING | A31001-UP- | |
| 20 | 01583-01811 | NUT | A31001-UP- | |
| 21 | 709-10-51240 | RETAINER | 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 | 07000-12016 | O-RING | A31001-UP- | |
| 30 | 07001-02016 | RING, BACK-UP | A31001-UP- | |
| 31 | 07000-11004 | O-RING | A31001-UP- | |
| 32 | (NSS) | SEAL | A31001-UP- | |
| 33 | (NSS) | NUT | A31001-UP- | |
| 34 | 700-90-61170 | SPRING | A31001-UP- | |
| (NSS) | 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- | |
| 709-10-68401 | VALVE ASSEMBLY | A31001-UP- | ||
| 40 | (NSS) | SLEEVE | A31001-UP- | |
| 41 | 709-10-68121 | SEAT | A31001-UP- | |
| 42 | 700-22-11410 | O-RING | A31001-UP- | |
| 43 | 07000-12016 | O-RING | A31001-UP- | |
| 44 | 07002-12434 | O-RING | A31001-UP- | |
| 45 | (NSS) | PISTON | A31001-UP- | |
| 46 | 709-12-12520 | SPRING | A31001-UP- | |
| 47 | 709-10-68170 | NIPPLE | A31001-UP- | |
| 48 | 07000-12011 | O-RING | A31001-UP- | |
| 49 | 709-10-68180 | SHIM - 0.008 IN. (0.20 MM) | A31001-UP- |