

Part 0533396 is a replacement flat o-ring seal for compatible Aircoat and Power coat equipment. This precision seal provides a leak-proof barrier between flat mating surfaces, preventing fluid leaks and maintaining system pressure. When the original seal becomes cut, flattened, or brittle, replacement restores leak-free operation.
| Part Number | 0533396 |
|---|---|
| Part Description | Flat O-ring Seal |
| Brand | Universal |
| Fits | Aircoat 423 GB_D_F; Power coat 630 GB_D_F |
| Condition | New |
The 0533396 flat o-ring seal is a direct replacement sealing component for Aircoat 423 GB_D_F and Power coat 630 GB_D_F equipment. Unlike a conventional round cross-section o-ring, a flat o-ring, also known as a gasket or flat seal, has a rectangular or square cross-section and is designed to seal between two flat, parallel surfaces. It is typically installed in a shallow groove or simply compressed between the mating flanges or components. Flat o-rings are used in applications where a standard o-ring might roll or where a larger sealing surface is beneficial. They provide an effective seal against fluids and gases. A properly functioning flat o-ring ensures that no fluid leaks occur at the joint, maintaining system pressure and preventing contamination. A damaged, cut, or compressed seal can allow fluid to escape, leading to pressure loss, erratic operation, and potential safety hazards. This replacement flat o-ring is manufactured to exact specifications for inner and outer diameter, thickness, and material compatibility. It is made from a durable elastomeric compound resistant to paints, solvents, and cleaning agents. Installation requires clean, smooth mating surfaces and proper compression when the components are fastened.
| Surface sealing | Seals between flat mating surfaces |
|---|---|
| Leak prevention | Prevents fluid escape at joints |
| Pressure retention | Maintains system pressure |
| Visible cuts / nicks | Damage allows fluid bypass |
|---|---|
| Flattened / compressed | Seal no longer provides adequate sealing |
| Hardened / brittle | Material has lost elasticity |
| Fluid leakage | Visible leak at sealed joint |
Flat o-ring seal 0533396 is compatible with the following models. Verify fit using your equipment's parts diagram.
| Compatible Models |
|---|
| Aircoat 423 GB_D_F |
| Power coat 630 GB_D_F |
When replacing the flat o-ring seal, inspect these associated components to ensure proper sealing.
Check for scratches, nicks, or debris.
Ensure surfaces are flat and undamaged.
Check bolts for proper torque.