| Item | Part No. | Part Name | Qty | Serial No. |
| (723-48-20103) | VALVE ASS'Y | 21690- | ||
| (723-48-20102) | VALVE ASS'Y | 21290-21689 | ||
| (723-48-20101) | VALVE ASS'Y | 20805-21289 | ||
| (723-48-20100) | VALVE ASS'Y | 20001-20804 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 TO Y1664-21A0. | ||||
| \6\ | BODY SUB ASS'Y | 20001- | ||
| 723-46-48100 | VALVE ASS'Y | 20001- | ||
| 1 | \6\ | SLEEVE | 20001- | |
| 2 | \6\ | VALVE | 20001- | |
| 3 | \6\ | SEAT | 20001- | |
| 4 | \6\ | POPPET | 20001- | |
| 5 | \6\ | PLUG | 20001- | |
| 6 | \6\ | SCREW | 20001- | |
| 7 | \6\ | NUT | 20001- | |
| 8 | \6\ | NUT | 20001- | |
| 9 | \6\ | SPRING | 20001- | |
| 10 | \6\ | SPRING | 20001- | |
| 11 | \6\ | PLATE | 20001- | |
| 12 | \6\ | CAP | 20001- | |
| 13 | \6\ | SEAL | 20001- | |
| 14 | \6\ | SEAL | 20001- | |
| 15 | 700-93-11320 | O-RING | 20001- | |
| 16 | 723-46-41950 | RING | 20001- | |
| 17 | 07002-13634 | O-RING | 20001- | |
| 18 | \6\ | O-RING | 20001- | |
| 19 | \6\ | RING | 20001- | |
| 20 | \6\ | O-RING | 20001- | |
| 21 | \6\ | RING,BACK-UP | 20001- | |
| 22 | 01252-60845 | BOLT | 20001- | |
| 23 | 01643-50823 | WASHER | 20001- |