5306-00-639-1751

Find complete technical information, availability, and procurement data for: 5306-00-639-1751
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-639-1751

Item Name Code

06666

Assigment Date

01/01/1963 (63 years ago)

1.312 inches nominal fastener length, right-hand thread direction, 0.428 inches minimum and 0.438 inches maximum head diameter, 0.475 inches minimum thread length, 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: 0.475 inches minimum
Fastener Length: 1.312 inches nominal
Head Diameter: 0.428 inches minimum and 0.438 inches maximum
Head Height: 0.250 inches nominal
Hole Diameter: 0.062 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches minimum and 0.190 inches maximum
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 34.0 rockwell c minimum and 40.0 rockwell c maximum overall
Hole Configuration Style: round longitudinal hole
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 fed spec single treatment response 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Below is a list of NSNs that have been officially superseded by this NSN: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
5306-01-055-3757	No Name Available	02/01/1996

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
MS20004H13	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-639-1751?

The FSCG of the NSN 5306-00-639-1751 is 5306

Does the NSN 5306-00-639-1751 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-639-1751 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 5306-00-639-1751 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-639-1751 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 5306-00-639-1751 was assigned to the Federal Catalog?

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