| Item | Part No. | Part Name | Qty | Serial No. |
| (21J-60-13131) | VALVE ASS'Y,STEERING | 1001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1689-01A0 AND Y1689-02A0. | ||||
| 21J-60-00030 | PRIORITY VALVE ASS'Y | 1001- | ||
| 1 | STBK0094A-002 | HOUSING ASS'Y | 1001- | |
| 2 | ST095881-012 | BALL | 1001- | |
| 3 | STBK0012A | GUIDE | 1001- | |
| 4 | STBK0013A | SPRING | 1001- | |
| 5 | STBK0016A | SCREW,ADJUST | 1001- | |
| 6 | \6\ | O-RING (KIT) | 1001- | |
| 7 | STBK0015A | PLUG | 1001- | |
| 8 | \6\ | O-RING (KIT) | 1001- | |
| 9 | STBK0017A | NUT,LOCK | 1001- | |
| 10 | STBK0021A | SPRING | 1001- | |
| 11 | STBK0018A | PLUG | 1001- | |
| 12 | \6\ | O-RING (KIT) | 1001- | |
| 13 | STBK0034A-008 | VALVE ASS'Y | 1001- | |
| 14 | \6\ | O-RING (KIT) | 1001- | |
| 15 | \6\ | O-RING (KIT) | 1001- | |
| 16 | STA45020-50 | BOLT | 1001- | |
| SERVICE KIT | ||||
| ST64470 | SERVICE KIT,PRIORITY VALVE | 1001- | ||
| 6 | \6\ | O-RING | 1001- | |
| 8 | \6\ | O-RING | 1001- | |
| 12 | \6\ | O-RING | 1001- | |
| 14 | \6\ | O-RING | 1001- | |
| 15 | \6\ | O-RING | 1001- |