870-005 Washer is a genuine OEM replacement flat washer for Titan airless sprayers. This precision washer is used as a spacer, load distributor, or seal backup in pump assemblies, valve stacks, and fastening points. A missing, deformed, or corroded flat washer can lead to improper torque, component loosening, or fluid leakage. Replacing the washer restores correct assembly stack height and reliable mechanical fastening.
| Part Number | 870-005 |
|---|---|
| Part Description | Washer (flat washer, steel or plated) |
| Brand | Titan |
| Fits | Speeflo Commander: 741-440, 761-301, 761-411, 741-331; Speeflo Admiral: 830-331, 860-451, 830-451, 941-441 |
| Condition | New |
The Titan 870-005 Washer is a durable flat washer used in various mechanical and fluid applications on Speeflo Commander and Admiral airless sprayers. Its primary roles include distributing fastener load over a larger area, acting as a spacer to achieve proper stack height, and serving as a backup ring for seals in high‑pressure fluid sections.
Over time, flat washers can become corroded, flattened beyond tolerance, or lost during disassembly. Missing or damaged washers can cause bolts to loosen under vibration, improper seal compression, or leakage. Replacing the washer with an OEM part ensures correct dimensions, hardness, and corrosion resistance for long‑term reliability.
| Load distribution | Spreads bolt/nut force to prevent surface damage |
|---|---|
| Spacing / shimming | Achieves precise component positioning in assemblies |
| Seal backup | Supports O‑rings or packings under pressure to prevent extrusion |
| Corrosion / rust | Washer shows pitting or red rust that weakens it |
|---|---|
| Deformation | Washer is bent, cupped, or flattened beyond original thickness |
| Missing washer | Disassembly reveals no washer where one is required |
| Torque loss | Fastener repeatedly loosens due to washer crushing |
Part 870-005 is the OEM flat washer for the following Titan sprayer models. Always verify with your machine's parts diagram.
| Brand / Model | Component |
|---|---|
| Speeflo Commander 741-440 | Washer |
| Speeflo Commander 761-301 | Washer |
| Speeflo Commander 761-411 | Washer |
| Speeflo Commander 741-331 | Washer |
| Speeflo Admiral 830-331 | Washer |
| Speeflo Admiral 860-451 | Washer |
| Speeflo Admiral 830-451 | Washer |
| Speeflo Admiral 941-441 | Washer |
When replacing a flat washer, inspect or replace these related fasteners and seals.
The mating fastener; replace if threads are damaged or stretched.
Often used with flat washers; replace if compressed or cracked.
If the washer backs a seal, inspect the seal for wear or extrusion.
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