Size & Model: AS-243 NBR O-rings, 4-1/8" ID × 1/8" CS / 4.109" ID × 0.139" CS; AS568 standard size for repeatable fit and replacement use.
NBR 70A Material: Made of Buna-N nitrile rubber with 70A durometer, balancing flexibility, compression and sealing performance for general repair work.
Sealing Performance: Helps resist water, petroleum-based oils, grease and general wear; suitable for faucet, valve, pump, fitting and maintenance sealing.
Application by Size: This thick cs / extra large id size is recommended for oversized pump covers, large filter housings, access covers, equipment panels and maintenance sealing applications.
Package & Use Notes: Includes 10 Pack black O-rings. Clean the groove before installation. Not recommended for steam, brake fluid, strong acids, strong alkali or long-term outdoor ozone exposure.
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We do not currently offer free shipping. However, this may be added at some point. We apologize.
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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