Manufacturer Part Number: R52001107|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Right HandThread Size (Inch)|1-1/2-12Thread Size (mm)|Material Grade|SAE J995 Grade 8Finish Coating|Yellow Zinc DichromateWidth Across Flats (mm)|Width Across Flats (Inch)|2-1/4Width Across Flats (Decimal Inch)|2.2500Thread Standard|UNThread Fit Class|Hardness|26-36 HRCMilitary Specification|Does Not Meet Military SpecificationsHeight (Inch)|1-9/32Height (mm)|Height (Decimal Inch)|1.2813Fastener Standard|ANSI; ASME B18.2.2Width Across Points (Decimal Inch)|2.5980Width Across Points (mm)|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|