258257

View detailed technical data, stock status, and sourcing information for: 258257
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-638-5361

Item Name Code

01847

Assigment Date

01/01/1963 (63 years ago)

0.688 inches nominal fastener length, 1a thread class, right-hand thread direction, double hexagon w/hole head style, 0.618 inches minimum and 0.688 inches maximum 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: 1a
Thread Direction: right-hand
Thread Length: 0.618 inches minimum and 0.688 inches maximum
Fastener Length: 0.688 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.330 inches nominal
Width Between Flats: 0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter: 0.438 inches nominal
Extended Washer Thickness: 0.060 inches minimum and 0.070 inches maximum
Nominal Thread Diameter: 0.250 inches
Features Provided: finished head
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 130000 pounds per square inch
Hardness Rating: 248.0 brinell standard minimum and 341.0 brinell standard maximum overall
Minimum Yield Strength: 85000 pounds per square inch
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material 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Below is a list of NSNs that have been officially superseded by this NSN: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
5306-00-206-8603	No Name Available	06/08/1967
5306-00-527-5447	No Name Available	01/01/1963
5306-00-531-8866	No Name Available	10/01/1985

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
258257	Machine Bolt
5306PL0893206	Machine Bolt
MS9034-09	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-638-5361?

The FSCG of the NSN 5306-00-638-5361 is 5306

Does the NSN 5306-00-638-5361 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-638-5361 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 5306-00-638-5361 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-638-5361 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 5306-00-638-5361 was assigned to the Federal Catalog?

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