| 1 | 421-64-15500 | BY-PASS VALVE | |
| 2 | 421-64-15520 | CONTROL SLIDE | |
| 3 | 421-64-15530 | POPPET | |
| 4 | 421-64-15540 | SPRING SEAT | |
| 5 | 421-64-15550 | COMPRESSION SPRING | |
| 6 | 421-64-15560 | COVER | |
| 7 | 421-64-15570 | SPRING | |
| 8 | 421-64-15580 | O-RING | |
| 9 | 421-64-15590 | PLUG | |
| 10 | 421-64-15910 | CAP | |
| 11 | 421-64-15920 | SEAL | |
| 12 | 421-64-15930 | STRIPPER | |
| 13 | 421-64-15940 | COVER | |
| 14 | 421-64-15950 | SCREW |
