5306-00-639-6502

Find complete technical information, availability, and procurement data for: 5306-00-639-6502
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-639-6502

Item Name Code

27851

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 3a thread class, hexagon head style, 5.406 inches nominal fastener length, 0.468 inches minimum thread 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: 0.468 inches minimum
Fastener Length: 5.406 inches nominal
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
Hole Diameter: 0.046 inches nominal
Grip Diameter: 0.2487 inches minimum and 0.2492 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 4.938 inches nominal
Hole Quantity: 1
Hole Type: drilled
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Hole Configuration Style: hexagon flats
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 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 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Below is a list of NSNs that have been officially superseded by this NSN: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
5306-00-150-9850	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
AN174H53A	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-639-6502?

The FSCG of the NSN 5306-00-639-6502 is 5306

Does the NSN 5306-00-639-6502 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-639-6502 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 5306-00-639-6502 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-639-6502 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 5306-00-639-6502 was assigned to the Federal Catalog?

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