Manufacturer Part Number: HHNI22000-005BX|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Right HandThread Size (Inch)|2-4-1/2Thread Size (mm)|Material Grade|2Finish Coating|Clear ZincWidth Across Flats (mm)|Width Across Flats (Inch)|3-1/8Width Across Flats (Decimal Inch)|3.1250Thread Standard|UNCThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|1-31/32Height (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|