Manufacturer Part Number: 42205|Nut Type|Hex Jam Lock NutHex Nut Profile|Material|Alloy SteelThread Direction|Right HandThread Size (Inch)|1/2-13Thread Size (mm)|Material Grade|Finish Coating|Black OxideWidth Across Flats (mm)|Width Across Flats (Inch)|7/8Width Across Flats (Decimal Inch)|0.8750Thread Standard|UNCThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|19/64Height (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|31161727