Titan part 490-007 is a retaining nut adapter used to secure and seal the fluid section, filter housing, or hose connections on compatible airless sprayers. This precision nut provides the necessary compression to hold seals, packings, or filters in place. Replace a worn, stripped, or cracked retaining nut to restore proper compression, prevent leaks, and ensure secure component retention on compatible units.
| Part Number | 490-007 |
|---|---|
| Part Description | Retaining Nut Adapter |
| Brand | Titan |
| Fits |
|
| Condition | New |
The Titan 490-007 Retaining Nut Adapter is a threaded fastener used to secure and compress critical components such as filter housings, seal retainers, or fluid section end caps on compatible airless sprayers. It ensures that O‑rings, packings, and seals are held at the correct compression to prevent fluid bypass and maintain system pressure.
Over time, retaining nuts can become cross‑threaded, cracked, or corroded, leading to leaks, loss of compression, or component loosening during operation. A damaged nut may also be difficult to remove or install, complicating maintenance. Replacing a worn retaining nut with a genuine Titan 490-007 restores proper clamping force, eliminates leaks, and ensures reliable assembly.
| Secures components | Holds filter housings, seal retainers, or end caps in place |
|---|---|
| Provides compression | Applies correct preload to seals and packings |
| Prevents leaks | Maintains fluid‑tight seal under pressure |
| Damaged threads | Cross‑threaded, stripped, or corroded threads |
|---|---|
| Cracks or deformation | Visible cracks, warping, or rounding of hex flats |
| Leaks around nut | Fluid seeps past the nut despite proper seal condition |
| Difficulty tightening | Nut binds or will not reach proper torque |
Titan part 490-007 is compatible with the following airless sprayers. Standard thread size and pitch are assumed – always confirm fitment using the correct parts diagram for your exact model.
| Brand / Model | Component |
|---|---|
| PowrLiner 3100 | Retaining nut adapter |
| Epic 1200 HPG | Retaining nut adapter |
| Epic 690 HPG | Retaining nut adapter |
| Epic 660HPX | Retaining nut adapter |
| Epic 660EX | Retaining nut adapter |
| Epic 447HPX | Retaining nut adapter |
| Epic 447EX | Retaining nut adapter |
| Elite G40 | Retaining nut adapter |
| Elite E55 | Retaining nut adapter |
| Elite E15 | Retaining nut adapter |
| Airless Sprayer 1200 GXC | Retaining nut adapter |
| Airless Sprayer 1100XC | Retaining nut adapter |
| Airless Sprayer 660XC | Retaining nut adapter |
| Airless Sprayer 550XC | Retaining nut adapter |
When replacing the retaining nut adapter, inspect the components it secures.
The nut compresses seals – replace any that are flattened, cracked, or hardened.
Check the mating component for cracks or thread damage.
Inspect the female threads for corrosion or stripping.
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