| 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. | ||||
| (723-40-71103) | VALVE ASS'Y | 21290- | ||
| (723-40-71102) | VALVE ASS'Y | 20005-21289 | ||
| (723-40-71100) | VALVE ASS'Y | 20001-20004 | ||
| 1 | 723-40-71430 | VALVE | 20001- | |
| 2 | 702-21-55460 | SPRING | 20001- | |
| 3 | 702-21-55420 | O-RING | 20001- | |
| 4 | 702-21-55520 | O-RING | 20001- | |
| 5 | 702-21-55440 | O-RING | 20001- | |
| 6 | 702-21-53120 | FILTER | 20001- | |
| 7 | 07000-12011 | O-RING | 20001- | |
| 8 | \6\ | BLOCK | 20005- | |
| \6\ | BLOCK | 20001-20004 | ||
| 9 | \6\ | SPOOL | 20001- | |
| 10 | 702-21-55640 | SPRING | 20001- | |
| 11 | 702-21-55620 | PLUG | 20001- | |
| 12 | 07002-11423 | O-RING | 20001- | |
| 13 | 702-21-55710 | SEAT | 20001- | |
| 14 | 702-21-55720 | SPRING | 20001- | |
| 15 | 04260-00793 | BALL | 20001- | |
| 16 | 07000-11009 | O-RING | 20001- | |
| 17 | \6\ | PLUG | 20001- | |
| 18 | 708-8H-11530 | PLUG | 20001- | |
| 19 | 07002-11423 | O-RING | 20001- | |
| 20 | 01252-61040 | BOLT | 20001- | |
| 21 | 01643-51032 | WASHER | 20001- | |
| 22 | 702-21-55620 | PLUG | 20001- | |
| 23 | 07002-11423 | O-RING | 20001- | |
| 24 | 708-8E-16160 | PLUG | 20001- | |
| 25 | 07002-11023 | O-RING | 20001- | |
| 26 | 07000-12011 | O-RING | 20001- | |
| 27 | \6\ | ORIFICE | 20001-20004 | |
| 28 | \6\ | PLUG | 20001- | |
| 29 | 01010-61470 | BOLT | 20001- | |
| 30 | 01010-61460 | BOLT | 20001- | |
| 31 | 01643-31445 | WASHER | 20001- | |
| 32 | 723-46-17560 | PLATE | 20001- | |
| 33 | 01643-51032 | WASHER | 20001- | |
| 34 | 01010-81040 | BOLT | 20001- |