5306-00-680-3123

Find complete technical information, availability, and procurement data for: 5306-00-680-3123
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-680-3123

Item Name Code

27851

Assigment Date

01/01/1963 (63 years ago)

0.641 inches minimum thread length, 2.953 inches nominal fastener length, hexagon head style, right-hand thread direction, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.641 inches minimum
Fastener Length: 2.953 inches nominal
Head Style: hexagon
Head Height: 0.219 inches nominal
Width Between Flats: 0.553 inches minimum and 0.565 inches maximum
Grip Diameter: 0.3737 inches minimum and 0.3742 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.183 inches minimum and 0.193 inches maximum
Thread Quantity Per Inch: 24
Hardness Rating: 40.0 rockwell c nominal overall
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 or steel comp 4037 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response or ams 6300 assn std 6th material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall
Thread Series Designator: unf

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
S2356376-27A	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-680-3123?

The FSCG of the NSN 5306-00-680-3123 is 5306

Does the NSN 5306-00-680-3123 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-680-3123 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 5306-00-680-3123 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-680-3123 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 5306-00-680-3123 was assigned to the Federal Catalog?

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