Square Neck Bolt

Model / MPN: 128372 | NSN: 5306-00-012-8372

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

5306-00-012-8372

Sold in multiples of

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.619 inches and 0.719 inches

Fastener Length

Between 0.719 inches and 0.781 inches

Head Style

Oval

Head Diameter

Between 0.813 inches and 0.844 inches

Head Height

Between 0.125 inches and 0.145 inches

Neck Length

Between 0.125 inches and 0.156 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Neck Width

Between 0.245 inches and 0.260 inches

Material

Steel comp 1010

Material Specification

Qq-s-634 federal specification single material response

Thread Series Designator

Unc

12837 Series Parts

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