Specification Brand : Martin BulletPoint1 : For use with Martin S and SC type flanges in the Quadra-Flex series flexible coupling assemblies (sold separately) BulletPoint2 : Thermoplastic polyester elastomer for high torque and high temperature applications BulletPoint3 : Two types: one piece (Type H) and two-piece held together with a metal retaining ring (Type HS) for applications where space limitations prevent the installation of a one piece sleeve BulletPoint4 : Teeth help to distribute torsional load across the sleeve and flanges, reducing wear and extending service life ExternallyAssignedProductIdentifier1 : 697950276687 ExternallyAssignedProductIdentifier2 : 0697950276687 ItemName : Martin 6H Quadraflex Sleeve, Hytrel, Inch, 3.75" OD, 1.875" Length ItemPackageDimensions_Height : 5.08 centimeters ItemPackageDimensions_Length : 9.652 centimeters ItemPackageDimensions_Width : 10.414 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-couplings Manufacturer : MARTIN Material : Rubber MaximumAngularMisalignment : 0.33 degrees MaximumRotationalSpeed : 6000 rpm ModelNumber : 5016COV NumberOfItems : 1 PartNumber : 6H ProductSiteLaunchDate : 2010-11-10T00:00:01-00:00 Style : Modern SupplierDeclaredDgHzRegulation : unknown