| Item | Part No. | Part Name | Qty | Serial No. |
| (720-68-20203) | HST ASS'Y | 1400- | ||
| (\2\720-68-20202) | HST ASS'Y | (1716-1779) | ||
| (\2\720-68-20201) | HST ASS'Y | (1400-1715) | ||
| (720-68-10202) | HST ASS'Y | 1001-1399 | ||
| (\2\720-68-10201) | HST ASS'Y | (1184-1399) | ||
| (\2\720-68-10200) | HST ASS'Y | (1001-1183) | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.251 TO 262. | ||||
| 720-68-16100 | VALVE ASS'Y | 1001- | ||
| 720-98-05620 | BODY ASS'Y | 1001- | ||
| 1 | \6\ | BODY | 1001- | |
| 2 | \6\ | SPOOL | 1001- | |
| 3 | 720-68-16130 | SPRING | 1001- | |
| 4 | 720-68-16140 | FLANGE | 1001- | |
| 5 | 720-68-16150 | FLANGE | 1001- | |
| 6 | 07000-02020 | O-RING | 1001- | |
| 7 | 01010-30825 | BOLT | 1001- | |
| 8 | 01643-30823 | WASHER | 1001- |