Specification Brand : Ruland BulletPoint1 : Zero-backlash with anodized aluminum hubs for low inertia BulletPoint2 : Balanced design reduces vibration at speeds up to 10,000 RPM BulletPoint3 : Double disc style accommodates all forms of misalignment and is torsionally rigid making them well suited for precision positioning systems BulletPoint4 : Hardware exceeds DIN 912 12.9 standards for maximum torque capabilities BulletPoint5 : Ruland disc couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant ExternallyAssignedProductIdentifier1 : 634529081563 ExternallyAssignedProductIdentifier2 : 0634529081563 ExternallyAssignedProductIdentifier3 : 00634529081563 ItemName : Ruland DCD12-4-4-A Aluminum Disc Coupling, Double Disc Clamp Style, 0.250" x 0.250" Bores, 0.750" OD ItemPackageDimensions_Height : 0.8 inches ItemPackageDimensions_Length : 5 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 1 ItemTypeKeyword : disc-couplings Manufacturer : Ruland Manufacturing Co., Inc. Material : 2024 or 7075 Aluminum Hubs; 02 Stainless Steel Disc Springs ModelNumber : DCD12-4-4-A NumberOfItems : 1 PartNumber : DCD12-4-4-A ProductSiteLaunchDate : 2015-10-06T08:00:01.000Z UnspscCode : 31170000