| Item | Part No. | Part Name | Qty | Serial No. |
| (723-47-23600) | VALVE ASS'Y | B31800- | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1663-01A0 TO Y1663-21A0. | ||||
| 1 | 723-46-17950 | PLATE | B31800- | |
| 2 | 708-8E-16160 | PLUG | B31800- | |
| 3 | 07002-11023 | O-RING | B31800- | |
| 723-40-66300 | VALVE ASS'Y | B31800- | ||
| 4 | \6\ | CASE | B31800- | |
| 5 | \6\ | SEAT | B31800- | |
| 6 | \6\ | SEAT | B31800- | |
| 7 | \6\ | BALL | B31800- | |
| 8 | \6\ | PLUG | B31800- | |
| 9 | 723-90-61500 | VALVE ASS'Y,SUCTION AND RELIEF | B31800- | |
| 10 | 709-25-11390 | O-RING | B31800- | |
| 11 | 723-90-76101 | VALVE ASS'Y | B31800- | |
| 12 | 07000-13024 | O-RING | B31800- |