5306-00-638-4744

Find complete technical information, availability, and procurement data for: 5306-00-638-4744
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-638-4744

Item Name Code

06675

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 0.522 inches minimum and 0.682 inches maximum thread length, 2.250 inches nominal fastener length, hexagon head style, 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: 0.522 inches minimum and 0.682 inches maximum
Fastener Length: 2.250 inches nominal
Head Style: hexagon
Head Height: 0.188 inches nominal
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
First Diameter From Head: 0.308 inches minimum and 0.318 inches maximum
Second Diameter From Head: 0.345 inches minimum and 0.346 inches maximum
Third Diameter From Head: 0.248 inches minimum and 0.258 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.078 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 1.490 inches minimum and 1.550 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 1.568 inches minimum and 1.628 inches maximum
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 3
Material: steel overall
Material Document And Classification: ems-85010 fscm 73342 mfr ref single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams 2400 assn std 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
6748959	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-638-4744?

The FSCG of the NSN 5306-00-638-4744 is 5306

Does the NSN 5306-00-638-4744 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-638-4744 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 5306-00-638-4744 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-638-4744 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 5306-00-638-4744 was assigned to the Federal Catalog?

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