| Item | Part No. | Part Name | Qty | Serial No. |
| (723-23-10303) | VALVE ASS'Y | B40001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1663-01A0 T0 Y1663-04A0. | ||||
| 1 | \6\ | SPOOL | B40001- | |
| 2 | 723-26-14180 | SPRING | B40001- | |
| 3 | \6\ | SEAL | B40001- | |
| 4 | \6\ | SLEEVE | B40001- | |
| 5 | \6\ | PISTON | B40001- | |
| 6 | 723-26-14190 | SPRING | B40001- | |
| 7 | 07000-12018 | O-RING | B40001- | |
| 8 | 07001-02018 | RING,BACK-UP | B40001- | |
| 9 | 07002-12434 | O-RING | B40001- | |
| 10 | \6\ | PLUG | B40001- | |
| 11 | 07002-11423 | O-RING | B40001- | |
| 12 | 723-26-15230 | PLUG | B40001- | |
| 13 | 07002-12434 | O-RING | B40001- | |
| 14 | 723-26-15370 | PLUG | B40001- | |
| 15 | \6\ | PISTON | B40001- | |
| 16 | \6\ | VALVE | B40001- | |
| 17 | \6\ | VALVE | B40001- | |
| 18 | \6\ | VALVE | B40001- | |
| 19 | \6\ | VALVE | B40001- | |
| 20 | 723-26-14230 | SPRING | B40001- | |
| 21 | 723-26-14220 | SPRING | B40001- | |
| 22 | 723-26-14240 | SPRING | B40001- | |
| 23 | \6\ | VALVE | B40001- | |
| 24 | 723-26-14150 | SPRING | B40001- | |
| 25 | 723-26-15220 | PLUG | B40001- | |
| 26 | 07002-11223 | O-RING | B40001- | |
| 27 | 723-26-15310 | PLUG | B40001- | |
| 28 | 07002-12034 | O-RING | B40001- | |
| 29 | 07000-11007 | O-RING | B40001- | |
| 30 | 708-8E-16160 | PLUG | B40001- | |
| 31 | 07002-11023 | O-RING | B40001- | |
| 32 | 706-73-71450 | PLUG | B40001- | |
| 33 | 07002-11423 | O-RING | B40001- | |
| 34 | 723-26-15190 | PLUG | B40001- | |
| 35 | 07000-11009 | O-RING | B40001- | |
| 36 | 07001-01009 | RING,BACK-UP | B40001- | |
| 37 | 07000-11007 | O-RING | B40001- | |
| 38 | 07001-01007 | RING,BACK-UP | B40001- | |
| 39 | \6\ | PLUG | B40001- | |
| 40 | 07002-11223 | O-RING | B40001- | |
| 41 | 07000-11007 | O-RING | B40001- | |
| 42 | 07001-01007 | RING,BACK-UP | B40001- | |
| 43 | \6\ | SCREW | B40001- | |
| 44 | \6\ | PLUG | B40001- |