255347

View detailed technical data, stock status, and sourcing information for: 255347
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-638-8263

Item Name Code

06675

Assigment Date

01/01/1963 (63 years ago)

hexagon head style, 0.653 inches minimum and 0.693 inches maximum thread length, 1a thread class, 3.053 inches minimum and 3.073 inches maximum fastener length, 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: 1a
Thread Direction: right-hand
Thread Length: 0.653 inches minimum and 0.693 inches maximum
Fastener Length: 3.053 inches minimum and 3.073 inches maximum
Head Style: hexagon
Head Height: 0.209 inches minimum and 0.229 inches maximum
Width Between Flats: 0.553 inches minimum and 0.564 inches maximum
First Diameter From Head: 0.3738 inches minimum and 0.3748 inches maximum
Second Diameter From Head: 0.315 inches minimum and 0.325 inches maximum
Third Diameter From Head: 0.3738 inches minimum and 0.3743 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.490 inches minimum and 0.510 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 1.890 inches minimum and 1.910 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 2.380 inches minimum and 2.400 inches maximum
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Hardness Rating: 30.0 rockwell c minimum and 38.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 3
Material: steel corrosion resisting overall
Material Document And Classification: ams 5616 assn std single material 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
255347	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-638-8263?

The FSCG of the NSN 5306-00-638-8263 is 5306

Does the NSN 5306-00-638-8263 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-638-8263 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 5306-00-638-8263 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-638-8263 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 5306-00-638-8263 was assigned to the Federal Catalog?

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