| Item | Part No. | Part Name | Qty | Serial No. |
| (724-00-21003) | VALVE ASS'Y | 31601-31699 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1660-01A0A T0 Y1660-03A0A . | ||||
| 724-00-79000 | VALVE ASS'Y,MAIN RELIEF | 31601-31699 | ||
| 1 | 724-00-51110 | SLEEVE | 31601-31699 | |
| 2 | 724-00-51120 | POPPET | 31601-31699 | |
| 3 | 724-00-51130 | SCREW | 31601-31699 | |
| 4 | 724-00-51140 | SPRING | 31601-31699 | |
| 5 | 724-00-51150 | O-RING | 31601-31699 | |
| 6 | 07002-11423 | O-RING | 31601-31699 | |
| 7 | 07002-11023 | O-RING | 31601-31699 | |
| 8 | 01583-11006 | NUT | 31601-31699 | |
| 724-00-73000 | VALVE ASS'Y,RELIEF | 31601-31699 | ||
| 9 | 724-00-51230 | SLEEVE | 31601-31699 | |
| 10 | 724-00-51120 | POPPET | 31601-31699 | |
| 11 | 724-00-51130 | SCREW | 31601-31699 | |
| 12 | 724-00-51240 | SPRING | 31601-31699 | |
| 13 | 724-00-51150 | O-RING | 31601-31699 | |
| 14 | 07002-11423 | O-RING | 31601-31699 | |
| 15 | 07002-11023 | O-RING | 31601-31699 | |
| 16 | 01583-11006 | NUT | 31601-31699 | |
| 724-00-62000 | VALVE ASS'Y,SAFETY | 31601-31699 | ||
| 17 | \6\ | SLEEVE | 31601-31699 | |
| 18 | \6\ | POPPET | 31601-31699 | |
| 19 | \6\ | SCREW | 31601-31699 | |
| 20 | \6\ | SPRING | 31601-31699 | |
| 21 | 724-00-51150 | O-RING | 31601-31699 | |
| 22 | 07002-11423 | O-RING | 31601-31699 | |
| 23 | \6\ | O-RING | 31601-31699 | |
| 24 | \6\ | NUT | 31601-31699 |