Buna Nitrile O-Ring 70 Durometer Standard 5-1/2 In ID 5-11/16 In OD Pack Of 10 Oil And Hydraulic Fluids Resistant Wide Temperature -30F To 250F

Buna Nitrile 70D O-Ring, 5-1/2 ID x 5-11/16 OD, 10-pack
✔️ ID 5.5 in x OD 5.6875 in, 70D Buna Nitrile, 10-pack, -30°F to 250°F

These Buna Nitrile O-Rings are 70 durometer seals designed to seal petroleum oils, hydraulic fluids, and fuels across a wide temperature range. They’re commonly used in automotive, marine, off-road equipment, and aircraft fuel systems.

✅ ID 5.5 in (139.7 mm), OD 5.6875 in (144.48 mm)
✅ Durometer: 70 Shore A (NBR Buna Nitrile)
✅ Material: Buna Nitrile (NBR) with oil resistance
✅ Temperature range: -30°F to 250°F (-34°C to 121°C)
✅ Pack size: 10 pieces per pack
✅ Color: Negro

💡 What is a Buna Nitrile O-Ring used for in hydraulic systems? This handy overview covers common uses and selection tips.
- Primary sealing in petroleum oils and hydraulic fluids
- Wide temperature range: -30°F to 250°F (-34°C to 121°C)
- 70 durometer provides strong wear resistance
- Pack of 10 ensures consistent replacements

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