| Item | Part No. | Part Name | Qty | Serial No. |
| (723-38-17400) | VALVE ASS'Y | 2347- | ||
| (723-38-17102) | VALVE ASS'Y | 1437-2346 | ||
| (723-38-17100) | VALVE ASS'Y | 1001-1436 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 TO Y1664-12A0. | ||||
| 723-30-90101 | VALVE ASS'Y,RELIEF | 1001- | ||
| 1 | \6\ | SLEEVE | 1001- | |
| 2 | \6\ | HOLDER | 1001- | |
| 3 | \6\ | PLUG | 1001- | |
| 4 | \6\ | RETAINER | 1001- | |
| 5 | \6\ | SLEEVE | 1001- | |
| 6 | \6\ | POPPET | 1001- | |
| 7 | \6\ | SEAT | 1001- | |
| 8 | \6\ | VALVE | 1001- | |
| 9 | \6\ | RING,SNAP | 1001- | |
| 10 | \6\ | SPRING | 1001- | |
| 11 | \6\ | SPRING | 1001- | |
| 12 | 700-13-31161 | O-RING | 1001- | |
| 13 | 700-80-51190 | RING | 1001- | |
| 14 | \6\ | O-RING | 1001- | |
| 15 | \6\ | RING,BACK-UP | 1001- | |
| 16 | 07002-03334 | O-RING | 1001- | |
| 17 | \6\ | NUT | 1001- | |
| 18 | \6\ | NUT | 1001- | |
| 19 | \6\ | O-RING | 1001- | |
| 20 | \6\ | O-RING | 1001- |