5306-00-257-7399

Find complete technical information, availability, and procurement data for: 5306-00-257-7399
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-257-7399

Item Name Code

06676

Assigment Date

06/22/1973 (53 years ago)

0.750 inches nominal head diameter, 0.312 inches minimum thread length, 3a thread class, right-hand thread direction, 1.717 inches nominal fastener 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: 0.312 inches minimum
Fastener Length: 1.717 inches nominal
Head Diameter: 0.750 inches nominal
Head Height: 0.125 inches nominal
Distance From Centerline To Flat: 0.275 inches minimum and 0.285 inches maximum
Shank Unthreaded Hole Diameter: 0.109 inches nominal first hole
Concentric Hole Diameter: 0.194 inches nominal
Nominal Thread Diameter: 0.438 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 180000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.592 inches nominal first hole
Material: steel overall
Material Document And Classification: mil-s-6758 cond d4 mil spec single material response overall
Surface Treatment: chromium overall
Surface Treatment Document And Classification: qq-c-320 cl 2 fed spec single treatment response overall
Style Designator: concentric hole unthreaded
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
065-336120-7	Internally Relieved Body Bolt
265-336120-7	Internally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-257-7399?

The FSCG of the NSN 5306-00-257-7399 is 5306

Does the NSN 5306-00-257-7399 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-257-7399 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 5306-00-257-7399 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-257-7399 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 5306-00-257-7399 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jun 22, 1973