5306-00-012-0955

Find complete technical information, availability, and procurement data for: 5306-00-012-0955
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-012-0955

Item Name Code

15939

Assigment Date

01/01/1963 (63 years ago)

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

button head style, 2a thread class, right-hand thread direction, 1.500 inches minimum thread length, 2.500 inches nominal 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: 1.500 inches minimum
Fastener Length: 2.500 inches nominal
Head Style: button
Head Diameter: 1.219 inches minimum and 1.344 inches maximum
Head Height: 0.313 inches minimum and 0.344 inches maximum
Neck Length: 0.313 inches minimum and 0.344 inches maximum
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Minimum Tensile Strength: 55000 pounds per square inch
Hardness Rating: 95.0 rockwell b maximum overall
Neck Width: 0.616 inches minimum and 0.642 inches maximum
Material: steel overall
Material Document And Classification: gm 255m,general motors corp mfr ref single material response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-275-8445	Square Neck Bolt	07/01/2025
5306-00-619-2424	No Name Available	09/01/2023

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
120955	Square Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-012-0955?

The FSCG of the NSN 5306-00-012-0955 is 5306

Does the NSN 5306-00-012-0955 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-012-0955 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 5306-00-012-0955 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-012-0955 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 5306-00-012-0955 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963