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Unit of Measure

Manufacturer

Manufacturer

 N/A Industrial Fasteners Institute

Specifications

Product

 N/A Nuts

Unit of Measure

 N/A English

Nominal Size or Basic Major Dia. of Thread

 N/A 2-1/2 in

Nominal Size or Basic Major Dia. of Thread (Decimal)

 N/A 2.5000 in

Basic Width Across Flats (F)

 N/A 3-7/8 in

Max. Width Across Flats (F)

 N/A 3.875 in

Min. Width Across Flats (F)

 N/A 3.750 in

Max. Width Across Corners (G)

 N/A 4.474 in

Min. Width Across Corners (G)

 N/A 4.275 in

Basic Thickness (H)

 N/A 2-29/64 in

Max. Thickness (H)

 N/A 2.505 in

Min. Thickness (H)

 N/A 2.401 in

Codes and Standards

Codes and Standards

 N/A ASME/ANSI B18.2.2 1987 (R 1999)

Runout of Bearing Face, FIM

Max. Runout of Bearing Face, FIM (Specified Proof Load Up to 150,000 psi)

 N/A 0.068 in

Max. Runout of Bearing Face, FIM (Specified Proof Load 150,000 psi and Greater)

 N/A 0.058 in
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