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Heavy hexagon nylon insert locknut

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Unit of Measure

Thread Size (Class 3B Fit)

 N/A 2.500 - 4 UNC

Nominal Hex Size (A)

 N/A 4.000 in

Thickness (B)

 N/A 2.187 +/- .063 in

Width Across Corners, MIN. (C)

 N/A 4.618 in

Approx. Weight per 100 pcs

 N/A 430.0 lb

M - Material Options

 N/A 4 - 0.23 Max Carbon Steel 5 - Medium Carbon Steel 7 - Stainless Steel B - 360 Half Hard Brass H5 - Medium Carbon Steel, Heat Treated

F - Finish Options

 N/A 0 - Black Oxide 1 - Zinc & Clear 1Y - Zinc & Yellow 2 - Cad 3 - Phos & Oil 9 - Plain