| Item | Part No. | Part Name | Qty | Serial No. |
| (723-51-01600) | VALVE ASS'Y | 52372- | ||
| (723-51-01100) | VALVE ASS'Y | 51020-52371 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1669-21A0 AND Y1669-22A0. | ||||
| 723-50-42103 | VALVE ASS'Y | 52372- | ||
| 723-50-42100 | VALVE ASS'Y | 51020-52371 | ||
| 1 | \6\ | SLEEVE | 52372- | |
| 1 | \6\ | SLEEVE | 51020-52371 | |
| 2 | 07000-13024 | O-RING | 51020- | |
| 3 | \6\ | SEAT | 52372- | |
| 3 | \6\ | SEAT | 51020-52371 | |
| 4 | \6\ | SEAL | 52372- | |
| 4 | \6\ | SEAL | 51020-52371 | |
| 5 | \6\ | POPPET | 51020- | |
| 6 | \6\ | SPRING | 51020- | |
| 7 | \6\ | PLUG | 52372- | |
| 7 | \6\ | PLUG | 51020-52371 | |
| 8 | \6\ | O-RING | 51020- | |
| 9 | \6\ | RING | 51020- | |
| 10 | \6\ | SCREW | 51020- | |
| 11 | \6\ | O-RING | 51020- | |
| 12 | \6\ | RING,BACK-UP | 51020- | |
| 13 | \6\ | NUT | 52372- | |
| 13 | \6\ | NUT | 51020-52371 | |
| 14 | \6\ | PLATE | 52372- | |
| 14 | \6\ | PLATE | 51020-52371 | |
| 15 | \6\ | NUT | 51020- | |
| 16 | \6\ | CAP | 51020- | |
| 17 | 723-56-31640 | PLUG | 51020- | |
| 18 | 07002-11623 | O-RING | 51020- | |
| 19 | 07000-11008 | O-RING | 51020- | |
| 20 | 709-74-91510 | PLUG | 51020- | |
| 21 | 709-25-11390 | O-RING | 51020- | |
| 22 | 07000-11009 | O-RING | 51020- | |
| 23 | 709-74-91530 | RING | 51020- |