PowrBeast part 0528299 is a jam nut used to secure components in the pump or drive assembly of compatible sprayers. This thin-profile nut locks against another nut or component to prevent loosening from vibration during operation. It is essential for maintaining proper tension and alignment on PowrBeast 4700, 7700, 9700, and 4700T models.
| Part Number | 0528299 |
|---|---|
| Part Description | Jam Nut |
| Brand | PowrBeast |
| Fits | PowrBeast 4700, 7700, 9700, 4700T |
| Condition | New |
The PowrBeast 0528299 jam nut is a thin-profile hexagonal nut designed to lock against a primary nut or component to prevent loosening from vibration, thermal cycling, or operational forces. It is commonly used in pump linkages, drive assemblies, and mounting hardware where maintaining precise tension is critical.
Jam nuts can become stripped, corroded, or damaged during disassembly. A worn or missing jam nut can allow components to shift, leading to misalignment, increased wear, and eventual mechanical failure. Replacing this jam nut restores proper locking force and ensures reliable operation.
| Locks components in place | Prevents primary nuts or parts from loosening due to vibration |
|---|---|
| Maintains tension | Preserves proper preload on threaded assemblies |
| Thin profile design | Fits in tight spaces where standard nuts cannot be used |
| Distributes clamping force | Provides even pressure on joined components |
| Stripped threads | Damaged threads prevent proper tightening and locking |
|---|---|
| Corrosion or rust | Severe corrosion weakens the nut and can cause cracking |
| During disassembly | Replace if the nut shows any signs of wear or deformation |
| Loose components | If parts are shifting, a worn jam nut may be unable to maintain tension |
PowrBeast part 0528299 is compatible with the following airless sprayer models. Always confirm thread size, pitch, and application before ordering.
| Brand / Model | Component |
|---|---|
| PowrBeast 4700 | Jam Nut |
| PowrBeast 7700 | Jam Nut |
| PowrBeast 9700 | Jam Nut |
| PowrBeast 4700T | Jam Nut |
When servicing threaded connections, these components are often inspected or replaced alongside the jam nut to ensure a complete and reliable repair.
The mating fastener should be inspected for thread damage and replaced if worn.
Washers help distribute load and prevent loosening; replace if deformed.
Medium-strength thread locker can be applied to prevent vibration loosening.
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