Manufacturer Part Number: HNFI21370-005BX|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Right HandThread Size (Inch)|1-3/8-12Thread Size (mm)|Material Grade|2; AFinish Coating|Clear ZincWidth Across Flats (mm)|Width Across Flats (Inch)|2-1/16Width Across Flats (Decimal Inch)|2.0625Thread Standard|UNFThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|1-11/64Height (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|