Manufacturer Part Number: 31220|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Right HandThread Size (Inch)|1-14Thread Size (mm)|Material Grade|SAE J995 Grade 5Finish Coating|ZincWidth Across Flats (mm)|Width Across Flats (Inch)|1-1/2Width Across Flats (Decimal Inch)|1.5000Thread Standard|UNSThread Fit Class|Hardness|32 HRCMilitary Specification|Does Not Meet Military SpecificationsHeight (Inch)|55/64Height (mm)|Height (Decimal Inch)|0.8594Fastener Standard|ANSI; ASME B18.2.2Width Across Points (Decimal Inch)|1.7320Width Across Points (mm)|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|31161727