Home Shop Miller 015567 Replacement O-Ring 5/16 ID x .103 CS
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15567 - Miller 015567 Replacement O-Ring 5/16 ID x .103 CS

Packaging: 1 per ea
$5.05/ea

Usually ships within 3-5 business days

SKU: MIL15567 Categories: ,

OVERVIEW

Technical Overview of the Miller 015567 O-Ring

The Miller 015567 O-Ring is a precision-engineered sealing component designed specifically for use within Miller Electric welding systems. As an Original Equipment Manufacturer (OEM) part, it is manufactured to exact tolerances to ensure seamless integration with compatible assemblies, such as wire feeders, gas adapters, and connection ports. The O-ring features an Inner Diameter (ID) of 5/16 of an inch (approximately 0.3125 inches) and a Cross Section (CS) thickness of 0.103 inches. These dimensions are critical for establishing the correct compression ratio within the gland or groove, ensuring a static or dynamic seal that holds under the specific pressures found in welding gas delivery systems.

Material selection for this O-ring prioritizes resistance to environmental factors common in industrial settings, including exposure to shielding gases (such as Argon, CO2, and Helium mixtures), minor temperature fluctuations, and mechanical compression. The elastomeric compound used provides excellent resilience, allowing the O-ring to maintain its shape and sealing force over time, resisting the "compression set" that often leads to failure in inferior generic alternatives. This component is frequently utilized in the assembly of Miller wire feeders (like the S-22A series) and various gas fitting adapters where an airtight seal is paramount to process integrity.

In maintenance and repair operations (MRO), verifying the specific part number is essential. While generic O-rings may appear similar, slight deviations in the cross-sectional diameter or material durometer can lead to installation difficulties or premature failure. The Miller 015567 is designed to provide the correct squeeze and fill within the hardware's mating surfaces, preventing leakage paths that could compromise system performance. Technicians should inspect these seals regularly during routine maintenance intervals and replace them immediately if signs of cracking, flattening, or abrasion are detected.

Additional Information
Packaging Description:1 Per Ea
Brand:Miller
Product Type:O-Ring
Inner Diameter:5/16 inch
Cross Section:0.103 inch
Material:Rubber / Elastomer
Compatible Equipment:Gas Adapters, Miller Wire Feeders

INCLUDED

  • (1) O-Ring, 5/16 ID x .103 CS

APPLICATIONS

  • Sealing gas connections in Miller wire feeders (e.g., S-22A, S-32S).
  • Replacement seal for gas adapters and fittings.
  • General maintenance of Miller welding systems requiring 5/16" ID seals.
  • Repairing leaks in shielding gas delivery lines.

FAQ

This O-ring has an Inner Diameter (ID) of 5/16 inches (0.3125") and a Cross Section (CS) or thickness of 0.103 inches.

Yes, this is a genuine OEM Miller Electric part, number 015567 (often listed as 15567).

It fits various Miller equipment, most notably certain wire feeders (like the S-22A series) and specific gas adapters. Always check your machine's parts manual to confirm compatibility.

Using an O-ring with the wrong cross-section or diameter can result in a poor seal, leading to gas leaks, pressure loss, and potential weld defects like porosity.

Inspect the O-ring for signs of wear such as cracking, drying out (dry rot), flattening (compression set), or cuts. If it feels brittle or looks deformed, it should be replaced.

Generally, a light film of silicone lubricant can help the O-ring seat properly and prevent tearing during installation, but always verify that the lubricant is compatible with your specific welding application.

While dimensions may seem similar, generic O-rings may not have the same material properties or precise tolerances as the OEM part, potentially leading to premature failure in industrial environments.

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