SprayTech part 0294446 is a flat washer used in various fluid system and mechanical assemblies on select PowrLiner, PowrTwin, and SprayTech sprayers. This washer provides a precise bearing surface, distributes fastener load, and helps maintain proper clamping force to prevent loosening or damage under vibration and pressure.
| Part Number | 0294446 |
|---|---|
| Part Description | Flat Washer |
| Brand | SprayTech |
| Fits | PowrLiner 4955, 6955, 8955; PowrTwin 4900, 6900, 8900, 12000 Plus; SprayTech EP2300, EP2300 SE |
| Condition | New |
The SprayTech 0294446 Flat Washer is an OEM replacement washer used in fastening applications on a range of airless paint sprayers and line stripers. It serves as a critical component for distributing load, preventing fastener galling, and maintaining joint integrity in areas subject to vibration, pressure cycling, and chemical exposure.
Over time, flat washers can become deformed, corroded, or lost during service. A missing or damaged washer may lead to uneven clamping, loosening of fasteners, or damage to mating surfaces. Replacing with this genuine component ensures correct fit and reliable performance.
| Load distribution | Spreads fastener clamping force over a larger area to protect mating surfaces |
|---|---|
| Vibration resistance | Helps maintain joint tension and resist loosening under machine vibration |
| Surface protection | Prevents galling or embedding of fastener heads into softer materials |
| Deformation | Bent, cupped, or compressed washer that no longer lies flat |
|---|---|
| Corrosion | Rust, pitting, or chemical degradation that compromises strength |
| Missing during service | Original washer lost or omitted during previous repair |
| Recurring loosening | Joint consistently loosens despite proper torque – replace washer and inspect fastener |
SprayTech part 0294446 is a direct replacement flat washer for the following models:
| Brand / Model | Application |
|---|---|
| PowrLiner 4955 | Flat washer for fastening in pump/drive assembly |
| PowrLiner 6955 | Flat washer for fastening in pump/drive assembly |
| PowrLiner 8955 | Flat washer for fastening in pump/drive assembly |
| PowrTwin 4900 | Flat washer for fastening in pump/drive assembly |
| PowrTwin 6900 | Flat washer for fastening in pump/drive assembly |
| PowrTwin 8900 | Flat washer for fastening in pump/drive assembly |
| PowrTwin 12000 Plus | Flat washer for fastening in pump/drive assembly |
| SprayTech EP2300 | Flat washer for fastening in pump/drive assembly |
| SprayTech EP2300 SE | Flat washer for fastening in pump/drive assembly |
Always inspect the corresponding bolt or screw for thread damage or wear when replacing a washer.
If the original assembly included a lock washer, replace it alongside the flat washer to maintain vibration resistance.
For critical fasteners, consider applying a medium-strength thread locker after verifying torque specs.
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