| Item | Part No. | Part Name | Qty | Serial No. |
| (723-28-15101) | VALVE ASS'Y | 59659- | ||
| (723-28-15100) | VALVE ASS'Y | 58001-59658 | ||
| (723-28-12102) | VALVE ASS'Y | 55328-58000 | ||
| (723-28-12101) | VALVE ASS'Y | 54770-55327 | ||
| (723-28-12100) | VALVE ASS'Y | 52374-54769 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0A TO Y1664-08A0A . | ||||
| \6\ | BODY GROUP | 58001- | ||
| \6\ | BODY GROUP | 55328-58000 | ||
| \6\ | BODY GROUP | 52374-55327 | ||
| 1 | \6\ | VALVE | 52374- | |
| 2 | \6\ | VALVE | 52374- | |
| 3 | 723-30-51130 | ORIFICE | 52374- | |
| 4 | \6\ | VALVE | 52374- | |
| 5 | \6\ | VALVE | 52374- | |
| 6 | \6\ | VALVE | 52374- | |
| 7 | \6\ | VALVE | 52374- | |
| 8 | \6\ | VALVE SUB ASS'Y | 52374- | |
| 9 | \6\ | VALVE | 52374- | |
| 10 | \6\ | VALVE | 52374- | |
| 11 | \6\ | VALVE | 52374- | |
| 12 | 723-26-51150 | PISTON | 52374- | |
| 13 | 723-26-51190 | PISTON | 52374- | |
| 14 | 723-26-14140 | SPRING | 52374- | |
| 15 | 723-26-15230 | PLUG | 52374- | |
| 16 | 07002-12434 | O-RING | 52374- | |
| 17 | 07000-13035 | O-RING | 52374- | |
| 18 | 07000-12020 | O-RING | 52374- | |
| 19 | 07000-12120 | O-RING | 58001- | |
| 19 | 07000-02120 | O-RING | 52374-58000 | |
| 20 | 07000-12010 | O-RING | 52374- | |
| 21 | \6\ | VALVE | 52374- | |
| 22 | 723-26-15220 | PLUG | 52374- | |
| 23 | 723-26-14150 | SPRING | 52374- | |
| 24 | 07002-11223 | O-RING | 52374- |