Buna Nitrile O Ring Seven Sixteenths Inch Inner Diameter Nine Sixteenths Inch Outer Diameter 70 Durometer Oil And Hydraulic Fluid Resistant Seal Minus Thirty To Two Hundred Fifty Degrees Fahrenheit Pack Of 250 Sterling Seal

Nitrile Buna O-Ring 7/16 ID, 9/16 OD, 70D, Pack 250
✔️ -30°F to 250°F, oil & hydraulic fluid resistant, 70D, pack 250

These Buna N nitrile O-rings are compact seals sized for standard 7/16-in ID and 9/16-in OD housings, widely used in automotive, marine, off-road, and industrial hydraulic systems for reliable fluid sealing.

✅ ID 7/16 in (11.11 mm); OD 9/16 in (14.29 mm); 70D
✅ Temperature range -30°F to 250°F (-34°C to 121°C)
✅ Material: Buna N (nitrile) with good petroleum-oil resistance
✅ Compatible with aliphatic hydrocarbons; not compatible with aromatic or chlorinated solvents
Pack of 250

💡 What is a Buna N O-Ring used for in hydraulic systems?

Handy, common seal for preventing leaks in hoses, pumps, cylinders, and fuel or oil lines across machines and vehicles.

- Sealing petroleum oils and hydraulic fluids - Works across a broad temperature range - Compatible with aliphatic hydrocarbons - Not compatible with high-aromatic fuels or chlorinated solvents