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)

right-hand thread direction, 0.641 inches minimum thread length, 3a thread class, hexagon head style, 2.953 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: 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