Square Neck Bolt

Model / MPN: 11640676 | NSN: 5306-00-004-0764

A headed externally threaded fastener whose threaded portion is of one diameter, with a square neck directly beneath the head.

Product Details

NATO Stock Number

5306-00-004-0764

Sold in multiples of

6 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

1.750 inches

Fastener Length

Between 2.690 inches and 2.810 inches

Thread Diameter

0.750 inches

Thready Qty Per Inch (tpi)

Hardness Rating

34.0 rockwell c and 38.0 rockwell c

Neck Width

Between 0.750 inches and 0.765 inches

Material

Steel comp 8640 or steel comp 4140

Material Specification

Qq-s-624 federal specification all material responses

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, class 3 federal specification single treatment response

Thread Series Designator

Unc

11640 Series Parts

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