This industrial-grade Buna-N O-ring, constructed from robust carbon steel, delivers reliable sealing performance. Its precise dimensions ensure a secure fit for critical fluid and gas containment systems.
| Standard | ASME B18 |
| Material | Carbon Steel |
| Finish | Passivated |
| Grade | N/A |
| Inside Diameter | 4.027" |
| Outside Diameter | 6.272" |
| Cross Section | 0.274" |
Trusted by engineers across multiple sectors, this Buna-N O-ring (Nitrile) is engineered for superior performance in demanding environments. Featuring an inside diameter of 4.027 inches, an outside diameter of 6.272 inches, and a cross-section of 0.274 inches, it provides a precise and effective seal. The carbon steel housing offers exceptional mechanical strength and resistance to abrasion, making it ideal for applications involving moderate temperatures and exposure to oils, fuels, and hydraulic fluids.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the sealing groove and O-ring surfaces are clean and free of debris. 2. Carefully position the O-ring into the groove, avoiding twisting or stretching. 3. Apply a light coat of compatible lubricant if recommended for the specific application to facilitate installation and ensure proper sealing.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 9001:2015 Mfg |
| DIN Equivalent | Industry Standard |
| Primary Standard | ASME B18 |
| Tensile Strength | Standard Commercial Spec |
| Yield Strength | Standard Commercial Spec |
| Hardness | Varies by specific batch |
| Carbon (C) | 0.28 - 0.55% |
| Manganese (Mn) | 0.60 - 0.90% |
| Phosphorus (P) | 0.04% max |
| Sulfur (S) | 0.05% max |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| Standard | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| O-ring twisting during installation. | Carefully roll the O-ring into the groove, maintaining its circular shape and avoiding any distortion. |
| Using an incompatible lubricant. | Always refer to the material compatibility chart for the specific fluid or gas being sealed to select an appropriate lubricant. |
| Installing on a dirty or damaged groove. | Thoroughly clean and inspect the groove for any nicks, burrs, or contaminants before installation. |
A: This Industrial O-Ring, Buna-N is manufactured from Carbon Steel.
A: Hydraulic systems, Pneumatic cylinders, Fluid power equipment, Automotive seals, Industrial machinery.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||