| Item | Part No. | Part Name | Qty | Serial No. |
| 700-91-71000 | VALVE ASS'Y | 20001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1661-01A0 AND Y1661-02A0. | ||||
| 1 | \6\ | BODY,VALVE | 20001- | |
| 2 | 07040-13618 | PLUG | 20001- | |
| 3 | 07002-13634 | O-RING | 20001- | |
| 4 | 700-93-12520 | FLANGE | 20001- | |
| 5 | 07000-13035 | O-RING | 20001- | |
| 6 | 01010-81225 | BOLT | 20001- | |
| 7 | 700-22-11370 | PLUG | 20001- | |
| 8 | 07002-12434 | O-RING | 20001- | |
| 9 | \6\ | SPOOL | 20001- | |
| 10 | 709-94-91130 | RETAINER | 20001- | |
| 11 | 709-94-91120 | SPRING | 20001- | |
| 12 | 709-94-91210 | CASE | 20001- | |
| 13 | 07430-71380 | O-RING | 20001- | |
| 14 | 01252-60820 | BOLT | 20001- | |
| 15 | 700-93-11461 | VALVE,CHECK | 20001- | |
| 16 | 700-93-11471 | SPRING | 20001- | |
| 17 | 700-93-11481 | PLUG | 20001- | |
| 18 | 07002-13634 | O-RING | 20001- | |
| 19 | 700-93-11310 | PLUG | 20001- | |
| 20 | 700-93-11320 | O-RING | 20001- | |
| 21 | 700-93-11330 | RING,BACK-UP | 20001- | |
| 22 | 07002-13634 | O-RING | 20001- |