| Item | Part No. | Part Name | Qty | Serial No. |
| (723-46-20104) | VALVE ASS'Y | 21290- | ||
| (723-46-20103) | VALVE ASS'Y | 20805-21289 | ||
| (723-46-20102) | VALVE ASS'Y | 20005-20804 | ||
| (723-46-20101) | VALVE ASS'Y | 20001-20004 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1660-01A0 TO Y1660-16A0. | ||||
| \6\ | BODY SUB ASS'Y | 21290- | ||
| \6\ | BODY SUB ASS'Y | 20805-21289 | ||
| \6\ | BODY SUB ASS'Y | 20005-20804 | ||
| \6\ | BODY SUB ASS'Y | 20001-20004 | ||
| 723-46-17401 | CASE SUB ASS'Y | 20805- | ||
| 723-46-17400 | CASE SUB ASS'Y | 20001-20804 | ||
| 1 | \6\ | CASE | 20805- | |
| \6\ | CASE | 20001-20804 | ||
| 2 | \6\ | PISTON | 20001- | |
| 3 | \6\ | SEAL | 20001- | |
| 4 | 723-46-17320 | SPOOL | 20001- | |
| 5 | 723-46-17330 | SPRING | 20001- | |
| 6 | 723-46-15630 | PLUG | 20001- | |
| 7 | 723-46-17340 | PLUG | 20001- | |
| 8 | 07000-13024 | O-RING | 20001- | |
| 9 | \6\ | SCREW | 20001- | |
| 723-46-17203 | CASE SUB ASS'Y | 20805- | ||
| 723-46-17202 | CASE SUB ASS'Y | 20005-20804 | ||
| 723-46-17200 | CASE SUB ASS'Y | 20001-20004 | ||
| 10 | \6\ | CASE | 20805- | |
| \6\ | CASE | 20005-20804 | ||
| \6\ | CASE | 20001-20004 | ||
| 11 | \6\ | PISTON | 20001- | |
| 12 | \6\ | ORIFICE | 20001-20004 | |
| 13 | \6\ | SEAL | 20001- | |
| 14 | 723-46-15630 | PLUG | 20001- | |
| 15 | 07000-13024 | O-RING | 20001- | |
| 16 | \6\ | SCREW | 20001- |