This industrial-grade Buna-N O-ring, housed within a robust 304 stainless steel casing, provides reliable sealing for demanding applications. Engineered for durability and chemical resistance, it ensures a secure fit.
| Standard | ASTM A106 |
| Material | 304 Stainless Steel |
| Finish | Anodized |
| Grade | N/A |
| Inside Diameter | 3.337" |
| Outside Diameter | 4.068" |
| Cross Section | 0.143" |
A proven choice for industrial professionals, this Buna-N O-ring features precise dimensions of 3.337" inside diameter, 4.068" outside diameter, and a 0.143" cross-section. The nitrile butadiene rubber (Buna-N) offers excellent resistance to petroleum oils, fuels, and many hydraulic fluids, making it suitable for a wide range of industrial environments. The 304 stainless steel construction provides superior corrosion resistance and mechanical strength, ensuring longevity in aggressive chemical and high-pressure conditions.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating surfaces are clean, dry, and free from debris. 2. Carefully place the O-ring into its designated groove, avoiding any stretching or twisting. 3. Assemble the components, applying even pressure to seat the O-ring and achieve a proper seal.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 9001:2015 Mfg |
| DIN Equivalent | Industry Standard |
| Primary Standard | ASTM A106 |
| Tensile Strength | 75,000 psi (515 MPa) |
| Yield Strength | 30,000 psi (205 MPa) |
| Elongation in 2 in. | 40% min |
| Hardness | Rockwell B95 max |
| Carbon (C) | 0.08% max |
| Chromium (Cr) | 18.0 - 20.0% |
| Nickel (Ni) | 8.0 - 10.5% |
| Manganese (Mn) | 2.00% max |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| Standard | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Overtightening fasteners, which can crush the O-ring and compromise its sealing capability. | Tighten fasteners to the manufacturer's recommended torque specifications to avoid over-compression. |
| Using incompatible cleaning solvents that can degrade the Buna-N material. | Consult material compatibility charts and use only recommended cleaning agents for Buna-N. |
A: This Industrial O-Ring, Buna-N is manufactured from 304 Stainless Steel.
A: Hydraulic systems, Pneumatic equipment, Fuel and oil handling.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||