Specification Brand : Martin BulletPoint1 : For use with Martin taper bushed, QD and stock, and finished bore roller-chain style couplings (sold separately) BulletPoint2 : Nylon for corrosion resistance, low friction, and minimal additional weight to the coupling BulletPoint3 : Synthetic rubber seals along the bore keep lubricants contained and keep contaminants out BulletPoint4 : Two halves to facilitate installation, and has gaskets between the halves to prevent lubricant leakage or debris intrusion between the halves Color : No Color ConnectorType : Flange ExternallyAssignedProductIdentifier1 : 697950048321 ExternallyAssignedProductIdentifier2 : 0697950048321 ExternallyAssignedProductIdentifier3 : 0637363283759 IncludedComponents : Pack of five Brass #6 Couplings ItemName : Martin 4012 Coupling Cover, Nylon, Inch, 4" OD, 2.313" Length ItemPackageDimensions_Height : 6.096 centimeters ItemPackageDimensions_Length : 10.668 centimeters ItemPackageDimensions_Width : 10.922 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-couplings Manufacturer : MARTIN Material : Nylon MaximumAngularMisalignment : 0.33 degrees MaximumRotationalSpeed : 5000 rpm ModelNumber : C4016X5/8 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces1 : 1 NumberOfPieces2 : 2 PackageLevel : unit PartNumber : 4012COV ProductDescription : 'Chain Coupling Sprocket, Bore Type Fixed, Bore Dia Fixed 5/8 In, Max Number of Teeth 16, Pitch 40, Outside Dia 3.000 In, Width 0.8750 In, Max Parallel Misalignment 0.005 In, Angular Misalignment Tolerance 8 Degree (10T-19T), 1/2 Degree (20T-24T), End Float Tolerance 0.060 In, Temp Range -25 to 150 Degrees F, HP Rating @ 100 RPM 0.90, Material Steel, Keyway 0.1875 x 0.09375, Setscrew, For Use With 6AGP9, G3521795' ProductSiteLaunchDate : 2010-11-10T00:00:01-08:00 Size : No Size StreetDate : 2017-11-25T00:00:01Z Style : Modern SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1