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Item # HCN03125XXX
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Item # HCN03125XXX, Hex Coupling Nut, 0.3125" Nominal Dia.
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IFI-128 is a standard developed through the procedures of Industrial Fasteners Institute. IFI-128 was first published in 1978 and reaffirmed, without technical change, in 1986 and in 2000.
Manufacturer
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Specifications
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Codes and Standards
Manufacturer
Manufacturer
Industrial Fasteners Institute
Specifications
Product
Nuts
Unit of Measure
English
Nominal Size or Basic Major Dia. of Thread
5/16
in
Nominal Size or Basic Major Dia. of Thread (Decimal)
0.3125
in
Basic Width Across Flats (F)
1/2
in
Max. Width Across Flats (F)
0.500
in
Min. Width Across Flats (F)
0.489
in
Max. Width Across Corners (G)
0.577
in
Min. Width Across Corners (G)
0.557
in
Basic Thickness (H)
15/16
in
Max. Thickness (H)
0.95
in
Min. Thickness (H)
0.93
in
Codes and Standards
Codes and Standards
IFI-128 2000
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