| Item | Part No. | Part Name | Qty | Serial No. |
| 709-13-12101 | VALVE ASSEMBLY | A31001-UP- | ||
| 709-13-00052 | VALVE SUB-ASSEMBLY | A31001-UP- | ||
| 1 | (NSS) | BODY, VALVE | A31001-UP- | |
| 2 | 700-22-11370 | PLUG | A31001-UP- | |
| 3 | 07002-12434 | O-RING | A31001-UP- | |
| 4 | (NSS) | SPOOL | A31001-UP- | |
| 5 | (NSS) | SPOOL | A31001-UP- | |
| 6 | 709-12-12241 | PLUG | A31001-UP- | |
| 7 | 709-12-12340 | RETAINER | A31001-UP- | |
| 8 | 709-13-11310 | CASE | A31001-UP- | |
| 9 | 709-12-13220 | RETAINER | A31001-UP- | |
| 10 | 709-12-13260 | SPRING | A31001-UP- | |
| 11 | 709-12-11760 | SPRING | A31001-UP- | |
| 12 | 709-12-11260 | RETAINER | A31001-UP- | |
| 13 | 709-12-11310 | CASE | A31001-UP- | |
| 14 | 709-12-12320 | CASE | A31001-UP- | |
| 15 | 07000-12065 | O-RING | A31001-UP- | |
| 16 | 709-12-12230 | PISTON | A31001-UP- | |
| 17 | 709-12-13240 | PISTON | A31001-UP- | |
| 18 | 709-12-12290 | SLEEVE | A31001-UP- | |
| 19 | 01011-81020 | BOLT | A31001-UP- | |
| 20 | 01602-21030 | WASHER | A31001-UP- | |
| 21 | 709-12-11411 | VALVE | A31001-UP- | |
| 22 | 709-12-11430 | SPRING | A31001-UP- | |
| 23 | 709-12-11440 | PLATE | A31001-UP- | |
| 24 | 07000-13048 | O-RING | A31001-UP- | |
| 25 | 01010-81235 | BOLT | A31001-UP- | |
| 26 | 709-12-11590 | VALVE | A31001-UP- | |
| 27 | 709-12-11520 | SEAL | A31001-UP- | |
| 28 | 709-12-11530 | SPRING | A31001-UP- | |
| 29 | 709-12-11570 | FLANGE | A31001-UP- | |
| 30 | 07000-13048 | O-RING | A31001-UP- | |
| 31 | 01010-61460 | BOLT | A31001-UP- | |
| 32 | 01643-31445 | WASHER | A31001-UP- | |
| 33 | 700-94-11260 | PLUG | A31001-UP- | |
| 34 | 07002-13634 | O-RING | A31001-UP- | |
| 35 | 07000-12018 | O-RING | A31001-UP- | |
| 36 | 07001-02018 | RING, BACK-UP | A31001-UP- | |
| 37 | 709-12-11611 | PLATE | A31001-UP- | |
| 38 | 07000-12060 | O-RING | A31001-UP- | |
| 39 | 01010-61425 | BOLT | A31001-UP- | |
| 40 | 709-12-11711 | SPRING | A31001-UP- | |
| 41 | 709-12-13270 | SPRING | A31001-UP- | |
| 42 | 709-12-11721 | SPRING | A31001-UP- | |
| 43 | 709-12-13280 | SPRING | A31001-UP- | |
| 44 | 709-12-11730 | SPRING | A31001-UP- | |
| 45 | 709-12-13250 | SPRING | A31001-UP- | |
| 46 | 709-12-13230 | RETAINER | A31001-UP- | |
| 47 | 709-12-11830 | SPACER | A31001-UP- | |
| 48 | 709-12-13210 | SLEEVE | A31001-UP- | |
| F1 - THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS. Y1661-01A0,Y1661-02A0, AND Y1661-03A0. | ||||