5306-00-012-8439

Find complete technical information, availability, and procurement data for: 5306-00-012-8439
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-012-8439

Item Name Code

15939

Assigment Date

01/01/1961 (65 years ago)

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

oval head style, 2a thread class, 0.875 inches minimum thread length, right-hand thread direction, 1.469 inches minimum and 1.531 inches maximum fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.875 inches minimum
Fastener Length: 1.469 inches minimum and 1.531 inches maximum
Head Style: oval
Head Diameter: 1.000 inches minimum and 1.031 inches maximum
Head Height: 0.156 inches minimum and 0.176 inches maximum
Neck Length: 0.156 inches minimum and 0.187 inches maximum
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 48000 pounds per square inch
Hardness Rating: 79.0 rockwell b minimum and 90.0 rockwell b maximum overall
Minimum Yield Strength: 40000 pounds per square inch
Neck Width: 0.307 inches minimum and 0.324 inches maximum
Material: steel comp 1010 overall
Material Document And Classification: qq-s-634 fed spec single material response overall
Surface Treatment: cadmium or zinc overall
Thread Series Designator: unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
128439	Square Neck Bolt

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5306-00-012-8439?

The FSCG of the NSN 5306-00-012-8439 is 5306

Does the NSN 5306-00-012-8439 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-012-8439 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5306-00-012-8439 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-012-8439 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5306-00-012-8439 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961