Manufacturer Part Number: 250NJP|Nut Type|Hex Nut Profile|Material|SteelThread Direction|Right HandThread Size (Inch)|2-1/2-4Thread Size (mm)|Material Grade|2Finish Coating|Bright/UncoatedWidth Across Flats (mm)|Width Across Flats (Inch)|3-7/8Width Across Flats (Decimal Inch)|3.8750Thread Standard|UNThread Fit Class|Hardness|Military Specification|Does Not Meet Military SpecificationsHeight (Inch)|1-29/64Height (mm)|Height (Decimal Inch)|1.4531Fastener Standard|ANSI; ASME B18.2.2Width Across Points (Decimal Inch)|4.4740Width Across Points (mm)|System Of Measurement|InchAdditional Information|Product Service Code|UNSPSC Code|