Manufacturer Part Number: HNI8187-005BX|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Right HandThread Size (Inch)|1-7/8-5Thread Size (mm)|Material Grade|8Finish Coating|Bright/UncoatedWidth Across Flats (mm)|Width Across Flats (Inch)|2-13/16Width Across Flats (Decimal Inch)|2.8125Thread Standard|UNThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|1-39/64Height (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|