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Sales Systems Limited Products and Services > Fasteners Reference Guide > Nuts > Structural Bolting [Nuts] > Heavy Hex Jam Nuts > Item # HHJN25000XXX  
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Item # HHJN25000XXX, Heavy Hex Jam Nut, 2-1/2" Nominal Dia.







Manufacturer  · Specifications  · Codes and Standards  · Runout of Bearing Face, FIM

Manufacturer

Manufacturer

Industrial Fasteners Institute


Specifications

Product

Nuts

Unit of Measure

English

Nominal Size or Basic Major Dia. of Thread

2-1/2 in

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

2.5000 in

Basic Width Across Flats (F)

3-7/8 in

Max. Width Across Flats (F)

3.875 in

Min. Width Across Flats (F)

3.750 in

Max. Width Across Corners (G)

4.474 in

Min. Width Across Corners (G)

4.275 in

Basic Thickness (H1)

1-29/64 in

Max. Thickness (H1)

1.505 in

Min. Thickness (H1)

1.401 in


Codes and Standards

Codes and Standards

ASME/ANSI B18.2.2 1987 (R 1999)


Runout of Bearing Face, FIM

Max. Runout of Bearing Face, FIM (All Strength Levels)

0.068 in


 DOWNLOADS 

Formulas for Nut Dimensions
(PDF, 296KB)

Wrench Openings for Square and Hex Nuts
(PDF, 244KB)


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