Specification Brand : Materro BulletPoint : Price For: Each BulletPoint1 : Specification: Color: Silver Tone; Material: 45# Steel, Zinc Plated; Thread Size: M30*2mm; Internal Hex Width: 14mm / 0.55 inch; Overall Height: 37 x 22mm / 1.46 x 0.87 inch (D*H) BulletPoint2 : Advantage: Made from 45# Steel for good strength and corrosion resistance. The internal hex head design is convenient for you to install. BulletPoint3 : Instruction: The sealing ring provides a tight sealing performance, easy to install, countersunk hex head increases leverage, used with a wrench. BulletPoint4 : Application: These threaded male plugs are used to seal holes in machinery, fittings, or pipes to prevent leakage of air, steam, gas, water, oil and fluids under pressure. These plugs are also great for plugging in intake manifold water ports, water pump ports, engine plug holes, and more. BulletPoint5 : NOTE: When installing, choose the correct wrench to prevent the pipe fittings from being deformed and damaged. Color : Silver ConnectorType : Plug ExteriorFinish : Brass ItemName : 5/16" Low Lead Brass Nut ItemPackageDimensions_Height : 10.16 centimeters ItemPackageDimensions_Length : 2.54 centimeters ItemPackageDimensions_Width : 7.62 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : compression-fitting-nuts Manufacturer : Materro Material : Brass MetalType : Brass ModelNumber : pta220819tt0806 NumberOfItems : 1 NumberOfPieces : 1 NumberOfWires : 4 PartNumber : 700261-05 ProductDescription : 'Nut, Tube Fitting Material Low Lead Brass, Tube Size 5/16 In., Compression Thread Size 1/2-24, Max. Pressure 300 psi, Temp. Range -65 Degrees to 250 Degrees F, Standards NSF 61 Annex G' ProductSiteLaunchDate : 2017-10-02T05:32:12.603Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 2 UnspscCode : 32000000 Voltage : 600 volts