5306-00-685-7790

Find complete technical information, availability, and procurement data for: 5306-00-685-7790
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-685-7790

Item Name Code

15939

Assigment Date

01/01/1963 (63 years ago)

2.250 inches nominal fastener length, right-hand thread direction, 0.874 inches minimum thread length, button head style, 2a thread class

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: 0.874 inches minimum
Fastener Length: 2.250 inches nominal
Head Style: button
Head Diameter: 0.688 inches minimum and 0.719 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: 55000 pounds per square inch
Hardness Rating: 95.0 rockwell b maximum overall
Neck Width: 0.307 inches minimum and 0.324 inches maximum
Material: steel overall
Material Document And Classification: ff-b-584 grade 1 fed spec single material response overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec 1st treatment response or qq-z-325,ty 2,cl 3 fed spec 2nd treatment 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Below is a list of NSNs that have been officially superseded by this NSN: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
5306-00-012-6385	No Name Available	06/15/1998
5306-00-012-8661	No Name Available	01/01/1987
5306-00-054-8022	Square Neck Bolt	07/01/2025
5306-00-054-8023	No Name Available	12/01/1992
5306-00-059-1236	Square Neck Bolt	07/01/2025
5306-00-105-6852	No Name Available	03/01/1989
5306-00-298-4439	Square Neck Bolt	07/01/2025

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
MS35751-45	Square Neck Bolt
MS35751-46	Square Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-685-7790?

The FSCG of the NSN 5306-00-685-7790 is 5306

Does the NSN 5306-00-685-7790 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-685-7790 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 5306-00-685-7790 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-685-7790 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 5306-00-685-7790 was assigned to the Federal Catalog?

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