Square Neck Bolt

Model / MPN: TR39-105 | NSN: 5306-01-284-7688

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

5306-01-284-7688

Sold in multiples of

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

2.750 inches

Fastener Length

5.000 inches

Head Style

Button

Head Diameter

1.563 inches

Head Height

0.375 inches

Neck Length

Between 0.469 inches and 0.500 inches

Thread Diameter

0.750 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

55000 pounds per square inch

Neck Width

Between 0.741 inches and 0.768 inches

Material

Steel

Material Specification

Astm a108 assn standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 ty2 cl 3 federal specification single treatment response

Thread Series Designator

Unc

TR39 Series Parts

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