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Franklin XS439 impeller hex cap screw, part number 305462030, is the impeller-retaining hex cap screw for compatible Franklin XS439 hydraulic-drive water-truck pumps. Its 316 stainless steel construction suits the specified impeller hardware arrangement.
Choose the exact screw specified for your pump configuration. The current bearing-frame XS439 arrangement uses a different impeller screw, so matching the XS439 family name alone is not sufficient. This is replacement impeller hardware, not a complete impeller or pump assembly.
| Feature | Benefit |
|---|---|
| Hex-head fastener | Serves the impeller-retaining screw position in the compatible hydraulic assembly. |
| Specification | Details |
|---|---|
| Manufacturer | Franklin Electric |
| Manufacturer part number | 305462030 |
| Component | Impeller hex cap screw |
| Material | 316 stainless steel |
| Application | XS439 hydraulic-drive configurations |
| Component or configuration | Selection |
|---|---|
| Hydraulic-drive XS439 | 305462030, figure 510 |
| Impeller washer | 305462031 is a separate component. |
| Impeller lock washer | 305462032 is a separate component. |
| Check | What to confirm |
|---|---|
| Drive arrangement | Verify the pump is the compatible hydraulic-drive configuration. |
| Part number | Match the existing screw or the service requirements for the complete pump model. |
| Installation | Use the pump manufacturer’s assembly and tightening instructions; do not select torque or thread dimensions by appearance. |
Follow the pump and equipment service instructions. Isolate the drive and relieve stored pressure before disassembly.
Need help confirming the correct replacement part? Contact UnitedBuilt through online chat, email parts@unitedbuilt.com, or call 602-253-7750 with your pump model, existing part number, or photos.
| Material | Stainless Steel 316 |
|---|---|
| Weight | 0.11 lb |