Three Eighths Inch Inside Diameter Nine Sixteenths Inch Outside Diameter Buna Nitrile O Ring 70 Durometer Oil Resistant For Automotive Hydraulic Fluids Off Road Rigs Pack Of 250 Sterling Seal ORBN110x250 Standard O Ring

Oil-Resistant Buna N O-Ring 3/8 x 9/16 in, 70D, Pack 250
✔️ ID 3/8 in, OD 9/16 in, CS 3/16 in, 70D Buna N, pack 250

These Buna N (Nitrile) O-rings provide reliable oil resistance across a wide temperature range and are designed for sealing hydraulic fluids and petroleum-based fuels in automotive, marine, and off-road equipment. They’re widely used in fuel lines, hydraulic systems, and equipment exposed to oils and greases.

✅ Size and dimensions: ID 3/8 in (9.53 mm), OD 9/16 in (14.29 mm), CS 3/16 in (4.76 mm)
✅ Material: Buna N (Nitrile) for strong oil resistance and good wear properties
✅ Temperature range: -30°F to 250°F (-34°C to 121°C) for broad operation
✅ Pack size: 250 pieces in this standard O-ring pack

💡 What is Buna N O-ring used for in hydraulic and fuel systems?

- Handy seal for petroleum oils and hydraulic fluids in automotive and off-road equipment - Resistant to oils, greases, mineral oils, and hydraulic fluids - Operates across -30°F to 250°F (-34°C to 121°C) for cold starts and hot operation - Common in automotive fuel lines, hydraulic seals, and off-road machinery