Manufacturer Part Number: HNFI300-001BX|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Right HandThread Size (Inch)|3-12Thread Size (mm)|Material Grade|2; AFinish Coating|Bright/UncoatedWidth Across Flats (mm)|Width Across Flats (Inch)|4-1/2Width Across Flats (Decimal Inch)|4.5000Thread Standard|UNThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|2-37/64Height (mm)|Height (Decimal Inch)|Fastener Standard|Width Across Points (Decimal Inch)|Width Across Points (mm)|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|