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Beaver Island Parts Company

BS 4518 0446-24 Buna-N Nitrile (90A) Metric O-Ring, 90A Durometer, 44.6mm ID x 2.4mm CS (1.756" x 0.095", 49.4mm OD) - Precision-Molded Replacement Sealing Ring for Pumps, Valves & Fittings

BS 4518 0446-24 Buna-N Nitrile (90A) Metric O-Ring, 90A Durometer, 44.6mm ID x 2.4mm CS (1.756" x 0.095", 49.4mm OD) - Precision-Molded Replacement Sealing Ring for Pumps, Valves & Fittings

Regular price $9.99 USD
Regular price $11.49 USD Sale price $9.99 USD
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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 BS 4518 0446-24 o-ring, a standard metric sealing size measuring 44.6mm inside diameter by 2.4mm cross-section (1.756" ID x 0.095" CS, 49.4mm outer diameter), molded in 90A Buna-N Nitrile rubber.


Full Compatibility: BS 4518 0446-24 is an international-standard o-ring size used across pumps, valves, filters, fittings and machinery worldwide. If your application calls for a 44.6mm x 2.4mm 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.

We are an American family-owned and operated small business committed to high-quality replacement parts and honest fitment information.

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