{"product_id":"beaver-island-as568-252-buna-n-o-ring-70a-5-1-4-id-x-1-8-cs-2-pack","title":"Beaver Island AS568-252 Buna-N O-Ring, 70A 5 1\/4\" ID x 1\/8\" CS, 2-Pack","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFITS: Universal AS568-252 o-ring size | Nominal 5 1\/4\" ID x 1\/8\" CS | Actual 5.234\" ID x 0.139\" CS (tolerance ±0.035\" ID \/ ±0.004\" CS, 5.512\" OD) | Replaces any standard dash-252 70A o-ring across pumps, valves, filters, gearboxes, hydraulics and plumbing.\u003c\/li\u003e\n\u003cli\u003eWHAT YOU GET: 2 o-rings, precision-molded to the AS568-252 standard and inspected for finish and dimensional accuracy. Durometer 70A. Lubricant is not included; see our Pro Tip below.\u003c\/li\u003e\n\u003cli\u003eBUILT TO LAST: Buna-N (nitrile) resists oil, fuel, water and abrasion, holding a tight seal in most pump, valve and hydraulic service. Molded from virgin compound for consistent squeeze and long service life.\u003c\/li\u003e\n\u003cli\u003eDIY-FRIENDLY: Drop-in replacement — no special tools required for most o-ring changes. Clean the groove, seat the ring, and lubricate before assembly. Backed by Beaver Island Parts Company, an American family-owned small business.\u003c\/li\u003e\n\u003cli\u003ePRO TIP - USE WITH AQUA FLEX LUBRICANT: Before install, coat the rubber with Aqua Flex lubricant, formulated for pool, spa and equipment seals, to ease seating and extend seal life. Search \"Aqua Flex\" on Amazon.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChasing a leak or a slow drip and need the exact 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 2-pack of AS568-252 o-ring, a universal industry-standard size. Its nominal size is 5 1\/4\" inside diameter by 1\/8\" cross-section; the actual measured dimensions are 5.234\" ID by 0.139\" CS, held to a tolerance of ±0.035\" on the ID and ±0.004\" on the CS, for a 5.512\" outer diameter. It is molded in 70A Buna-N Nitrile rubber and is a drop-in replacement for any standard dash-252 o-ring.Full Compatibility: AS568-252 is a standard o-ring dash size used across pumps, filters, valves, gearboxes, hydraulic fittings, plumbing and countless machines. If your application calls for a 5.234\" ID x 0.139\" CS 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. No special tools are required for most o-ring changes.Pro Tip: Apply Aqua Flex lubricant, formulated for pool and equipment seals, to the o-ring before installation to ease seating a\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43357767434449,"sku":"BW-B0HFQQ27T4","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/512oVvwgZtL._SL1500_32d9a5e4-e612-419d-8384-872db1cc6f41.jpg?v=1790985941","url":"https:\/\/belmontwarehouse.com\/products\/beaver-island-as568-252-buna-n-o-ring-70a-5-1-4-id-x-1-8-cs-2-pack","provider":"Belmont Warehouse","version":"1.0","type":"link"}