Manufacturer Part Number: MA-LN51618SS|Nut Type|Hex Flange Lock NutMaterial|Stainless SteelThread Size (Inch)|5/16-18Thread Size (mm)|Material Grade|304Height (Decimal Inch)|Height (mm)|Height (Inch)|5/16Width Across Flats (Decimal Inch)|Width Across Flats (Inch)|1/2Width Across Flats (mm)|Locking Style|Flange Diameter (Decimal Inch)|0.6875Thread Direction|Right HandThread Fit Class|Standards|Insert Material|Fastener Standard|Military Specification|Width Across Points (Decimal Inch)|Width Across Points (mm)|System Of Measurement|InchFinish Coating|Additional Information|Product Service Code|UNSPSC Code|