Titan 860-004 #5/16 Flat Washer
OEM Titan Flat Washer
Titan 860-004 5/16 Flat Washer is a genuine OEM fastener component used across a wide range of Titan and Speeflo airless sprayers, texture sprayers, and HVLP systems. It distributes clamping load over a larger surface area, protecting mating surfaces from damage and helping maintain consistent torque retention under vibration.
Compatibility Overview
Replacing a missing, deformed, or corroded flat washer restores proper load distribution and protects mating surfaces from damage.
Titan Fastener Component
Titan 860-004 5/16 Flat Washer for PowrTwin, PowrLiner, and PowrTex Sprayers
Titan 860-004 is a genuine OEM #5/16 flat washer designed for use across a wide range of Titan and Speeflo professional-grade equipment. This precision-engineered fastener component spreads the clamping load of a bolt or screw over a larger surface area, preventing damage to softer materials such as painted housings, plastic components, and aluminum castings. It also helps maintain consistent torque retention by reducing the risk of the fastener embedding into the mating surface over time. In high-vibration environments like spray equipment, properly fitted washers contribute to assembly longevity by minimizing loosening and fretting corrosion. The #5/16 size corresponds to a standard fastener diameter used across numerous mounting points, including pump housing attachments, motor mounts, handle assemblies, and control panel fasteners. It is listed in the official Titan 0290012 manual as "Flat washer (8)" in the Convertokit parts breakdown, and in the PowrLiner 9900XLT Trigger Assembly parts list.
| Detail | Technical / Commercial Information |
|---|---|
| Product Overview | OEM Titan/PowrTwin 860-004 #5/16 flat washer. Listed in the official Titan 0290012 manual as "Flat washer (8)" in the Convertokit parts breakdown. Listed in the PowrLiner 9900XLT Trigger Assembly parts list. Confirmed as "WASHER 1" by HTS Supply with alternate part number 0860-004. |
| Function | Load distribution: spreads clamping force over a larger area to prevent surface damage. Torque retention: helps maintain consistent clamping force under vibration. Surface protection: prevents fastener heads from gouging or marring painted and soft materials. |
| Compatible Models | PowrTwin 3500-DC, 4500, 4900GH, 4900XLT, 5500, 6900GH, 6900XLT, 8900GH, 12000, 12000GH, 12000GHD, 12000XLT, 12000XLTDI; PowrLiner 4000, 4900, 4955, 5000, 6000, 6900XLT, 6955, 8900, 8900XLTSP; PowrTex 6900SF, 12000SV; HVLP Airspray ProFinish C100. Verify fitment against your specific model parts diagram. |
| When Replacement Is Recommended | Missing during reassembly: washer was lost or omitted during previous service. Deformation: bent, cupped, or distorted washer no longer distributes load evenly. Corrosion: rust or oxidation that compromises material integrity. Galling or embedding: washer has dug into mating surface or shows signs of material transfer. |
| Service Guidance | When installing flat washers, ensure the washer seats flat against the mating surface without burrs or debris. Replace washers that show deformation, splitting, or corrosion to maintain proper load distribution. |
| Related Parts Serviced Together | Mating #5/16 bolt or screw (inspect for thread damage or corrosion when replacing the washer), lock washer, and other mounting hardware. Inspect these during flat washer replacement. |
| Commercial Benefits | Restores proper load distribution and surface protection, maintains consistent clamping force under vibration, and extends the service life of mounting assemblies. |
The 860-004 5/16 Flat Washer is a practical replacement for contractors and service technicians maintaining compatible Titan and Speeflo equipment. If a washer is missing, deformed, corroded, or shows signs of galling, replacing it with this genuine OEM part restores proper load distribution and protects mating surfaces from damage. Flat washers are critical for maintaining consistent clamping force under the continuous vibration generated by pumps and motors. During routine maintenance and complete rebuilds, inspect washers for wear and replace as needed to ensure assembly integrity. Using the correct factory-spec washer prevents stress concentrations that could lead to cracking or fatigue failure in mounting components.
Frequently Asked Questions
Quick answers for confirming fitment and service value.
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