5306-00-638-4737

Find complete technical information, availability, and procurement data for: 5306-00-638-4737
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-638-4737

Item Name Code

06675

Assigment Date

01/01/1963 (63 years ago)

3a thread class, 1.469 inches minimum and 1.531 inches maximum fastener length, 1.369 inches minimum and 1.451 inches maximum thread length, hexagon head style, right-hand thread direction

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: 1.369 inches minimum and 1.451 inches maximum
Fastener Length: 1.469 inches minimum and 1.531 inches maximum
Head Style: hexagon
Head Height: 0.140 inches minimum and 0.172 inches maximum
Width Between Flats: 0.428 inches minimum and 0.440 inches maximum
First Diameter From Head: 0.176 inches minimum and 0.181 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.080 inches minimum and 0.100 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 24.0 rockwell c minimum and 26.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4140 or steel comp 4037 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses 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
S14-40-2009	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-638-4737?

The FSCG of the NSN 5306-00-638-4737 is 5306

Does the NSN 5306-00-638-4737 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-638-4737 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 5306-00-638-4737 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-638-4737 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 5306-00-638-4737 was assigned to the Federal Catalog?

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