| VALVE ASSEMBLY |
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-21A0 TO Y1664-40A0 |
| BODY SUB ASSEMBLY |
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-21A0 TO Y1664-26A0 |
| BLOCK |
| SPOOL |
| SPOOL |
| SPOOL |
| SPOOL |
| SPOOL |
| SPOOL |
| PLUG |
| PLUG |
| O-RING |
| BALL |
| RETAINER |
| RETAINER |
| SPRING |
| SPRING |