Manufacturer Part Number: HNFI5125LH-010B|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Left HandThread Size (Inch)|1-1/4-12Thread Size (mm)|Material Grade|2Finish Coating|Bright/UncoatedWidth Across Flats (mm)|Width Across Flats (Inch)|1-7/8Width Across Flats (Decimal Inch)|1.8750Thread Standard|UNFThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|1-1/16Height (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|