| Item | Part No. | Part Name | Qty | Serial No. |
| (723-15-12300) | VALVE ASS'Y | 4001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1665-01A0 T0 Y1665-08A0. | ||||
| 723-10-16903 | VALVE ASS'Y,RELIEF | 4001- | ||
| 1 | \6\ | SLEEVE | 4001- | |
| 2 | \6\ | POPPET | 4001- | |
| 3 | \6\ | SPRING | 4001- | |
| 4 | \6\ | SCREW | 4001- | |
| 5 | \6\ | O-RING | 4001- | |
| 6 | \6\ | NUT | 4001- | |
| 7 | 700-22-11410 | O-RING | 4001- | |
| 8 | 07002-12434 | O-RING | 4001- | |
| 9 | \6\ | RING | 4001- | |
| 10 | \6\ | VALVE | 4001- | |
| 11 | \6\ | SPRING | 4001- |