Specification Brand : Generic BulletPoint : Please confirm the size, material, etc. you need to purchase. If you have any questions, please contact us promptly. BulletPoint1 : [Size] - 41mm Outside Diameter, 34mm Inner Diameter, 3.5mm Cross-Section Diameter BulletPoint2 : [Hardness] - 70A Durometer (Shore Hardness) for resistance to penetration BulletPoint3 : [Nitrile Rubber] - Standard Nitrile Butadiene Rubber with a wide temperature range from -4℉ (-20°C) to 212℉ (100°C) BulletPoint4 : [Application] - Widely used for pressure washer, filter, pump, water hose, plumbing pipe, garage maintenance, mechanical and much more BulletPoint5 : [NOTE] - Please confirm the required size and material before purchase, and put it in the right place ExternallyAssignedProductIdentifier1 : 608641851281 ExternallyAssignedProductIdentifier2 : 0608641851281 ExternallyAssignedProductIdentifier3 : 00608641851281 ExternallyAssignedProductIdentifier4 : 0889575508773 ItemName : 2-437/N7-6'' X 6-1/2'' X 1/4'' 70 Buna O-Ring (2 Pack) ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 0.5 centimeters ItemPackageDimensions_Width : 7.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : o-ring-seals Manufacturer : Generic Material : Synthetic Rubber Material1 : Rubber Material2 : Synthetic Rubber ModelNumber : a12051700ux0357 NumberOfItems : 1 NumberOfPieces : 20 PartNumber : 2-437/N7 ProductDescription : Item Type: O-Ring Nominal Size: 6'' X 6-1/2'' X 1/4'' Actual Size: ID: 5.975 +/- .037 Thickness: .275 +/- .006 Material: 70 Durometer Nitrile (Buna) Temperature: Fahrenheit (-30 to 240) Celsius (-34 to 115)