Specification Brand : Mr O-Ring BulletPoint1 : Made of silicone for use with a variety of chemicals and fluids BulletPoint2 : Can be used across a wide temperature range from -65 degrees F (-54 degrees C) to 450 degrees F (232 degrees C) BulletPoint3 : Round in cross-section to provide a seal between cylindrical overlapping surfaces BulletPoint4 : Durometer (hardness) of 70A for resistance to penetration BulletPoint5 : Meets standards defined by Aerospace Standard AS568A Color : Red ExternallyAssignedProductIdentifier1 : 0713721764099 ExternallyAssignedProductIdentifier2 : 713721764099 ItemName : 031 Silicone O-Ring, 70A Durometer, Red, 1-3/4" ID, 1-7/8" OD, 1/16" Width (Pack of 25) ItemPackageDimensions_Height : 0.508 centimeters ItemPackageDimensions_Length : 7.874 centimeters ItemPackageDimensions_Width : 7.874 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : o-ring-seals Manufacturer : Small Parts Material : Synthetic Rubber ModelNumber : 031 NumberOfItems : 25 PartNumber : AZ-S70031/25 ProductDescription : QTY 50 Food Grade Silicone Rubber Seal O-Ring 31mm OD 25mm ID 3mm Dia Size : 031 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 25 UnspscCode : 31410000