O Ring Buna N Nitrile Rubber 4.75 Inch Inner Diameter 5.125 Inch Outer Diameter Built For Heavy Duty Oil And Hydraulic Fluid Resistance 351 Standard Seal For Petroleum Oils And Greases Alcohol Mineral Oil And Related Fluids

High-Performance Nitrile O-Ring for Oil Seals, 4.75-Inch ID
✔️ Buna N O-ring with 4.75-inch inner and 5.125-inch outer diameter, built for heavy-duty oil and hydraulic fluid resistance up to 250°F

This nitrile O-ring is a standard rubber seal designed for preventing leaks in fluid systems, commonly found in automotive fuel lines, off-road machinery, and industrial equipment.

✅ Made from durable Buna N material for strong oil and fuel resistance
✅ Handles temperatures from -30°F to 250°F for reliable performance in tough conditions
✅ Compatible with petroleum oils, greases, and mineral fluids, but not aromatic hydrocarbons
✅ Offers good wear resistance and mechanical properties for long-term use

💡 What makes nitrile O-rings a solid pick for fluid sealing tasks?
Nitrile O-rings provide effective sealing solutions for oil-based systems. Here's the lowdown:
- They resist degradation from petroleum products, keeping seals intact longer.
- They work across a broad temperature range without losing flexibility.
- Their high wear resistance means fewer replacements in demanding jobs.
- They fit various applications, from automotive to industrial setups, for versatile reliability.

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