5306-00-638-8247

Find complete technical information, availability, and procurement data for: 5306-00-638-8247
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-638-8247

Item Name Code

27851

Assigment Date

01/01/1963 (63 years ago)

0.499 inches minimum and 0.578 inches maximum thread length, 3a thread class, 2.203 inches minimum and 2.250 inches maximum fastener 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: 0.499 inches minimum and 0.578 inches maximum
Fastener Length: 2.203 inches minimum and 2.250 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.204 inches maximum
Width Between Flats: 0.490 inches minimum and 0.502 inches maximum
Grip Diameter: 0.3112 inches minimum and 0.3117 inches maximum
Nominal Thread Diameter: 0.312 inches
Grip Length: 1.672 inches minimum and 1.704 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Surface Finish: 53.0 microinches grip
Surface Finish: 63.0 microinches bearing surface of head
Material: steel comp 8740 or steel comp 8630 or steel comp 8735 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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-151-2594	No Name Available	01/01/1963

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
AN175-21A	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-638-8247?

The FSCG of the NSN 5306-00-638-8247 is 5306

Does the NSN 5306-00-638-8247 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-638-8247 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 5306-00-638-8247 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-638-8247 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 5306-00-638-8247 was assigned to the Federal Catalog?

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