| Item | Part No. | Part Name | Qty | Serial No. |
| (709-81-11101) | VALVE ASS'Y | B20501- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1661-01A0 AND Y1661-02A0. | ||||
| 700-81-52001 | VALVE ASS'Y | B20501- | ||
| 1 | \6\ | SLEEVE | B20501- | |
| 2 | 700-13-31161 | O-RING | B20501- | |
| 3 | 07002-03334 | O-RING | B20501- | |
| 4 | \6\ | PLUG | B20501- | |
| 5 | \6\ | VALVE,MAIN | B20501- | |
| 6 | \6\ | SPRING | B20501- | |
| 7 | \6\ | SEAT,VALVE | B20501- | |
| 8 | \6\ | O-RING | B20501- | |
| 9 | \6\ | POPPET | B20501- | |
| 10 | \6\ | RING,BACK UP | B20501- | |
| 11 | \6\ | PLUG | B20501- | |
| 12 | \6\ | SPRING | B20501- | |
| 13 | \6\ | O-RING | B20501- | |
| 14 | \6\ | SPACER | B20501- | |
| 15 | \6\ | HOLDER | B20501- | |
| 16 | \6\ | SCREW | B20501- | |
| 17 | \6\ | NUT | B20501- | |
| 18 | 700-80-51190 | RING | B20501- | |
| 19 | \6\ | COVER | B20501- | |
| 20 | \6\ | O-RING | B20501- | |
| 21 | \6\ | NUT | B20501- | |
| 700-80-87000 | VALVE ASS'Y | B20501- | ||
| 22 | \6\ | SLEEVE | B20501- | |
| 23 | \6\ | BALL | B20501- | |
| 24 | \6\ | SPRING | B20501- | |
| 25 | \6\ | PLUG | B20501- | |
| 26 | 700-80-61260 | O-RING | B20501- | |
| 27 | 07002-03034 | O-RING | B20501- |