JIS G115 Buna-N Nitrile (70A) Metric O-Ring, 70A Durometer, 114.4mm ID x 3.1mm CS (4.504" x 0.122", 120.6mm OD) - Precision-Molded Replacement Sealing Ring for Pumps, Valves & Fittings

Chasing a leak or a slow drip and need the exact metric o-ring size to seal it for good? A worn or wrong-size o-ring lets fluid weep past the joint, drops pressure, and can damage the equipment around it.

This Beaver Island Parts Company replacement o-ring is a single JIS G115 o-ring, a standard metric sealing size measuring 114.4mm inside diameter by 3.1mm cross-section (4.504" ID x 0.122" CS, 120.6mm outer diameter), molded in 70A Buna-N Nitrile rubber.

Full Compatibility: JIS G115 is an international-standard o-ring size used across pumps, valves, filters, fittings and machinery worldwide. If your application calls for a 114.4mm x 3.1mm o-ring, this is the size.
Installation Note: Clean the groove, inspect the sealing surface, seat the new o-ring without twisting it, and lubricate before assembly.
Pro Tip: Apply Aqua Flex lubricant before installation to ease seating and extend seal life.

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