STD679

View detailed technical data, stock status, and sourcing information for: STD679
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-629-9845

Item Name Code

01847

Assigment Date

01/01/1963 (63 years ago)

hexagon head style, right-hand thread direction, 0.420 inches nominal fastener length, 0.310 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: 0.310 inches minimum
Fastener Length: 0.420 inches nominal
Head Style: hexagon
Head Height: 0.210 inches nominal
Width Between Flats: 0.500 inches nominal
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.110 inches nominal
Features Provided: finished head
Thread Quantity Per Inch: 24
Hardness Rating: 28.0 rockwell c minimum and 32.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: ams 6330h 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Below is a list of NSNs that have been officially superseded by this NSN: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
5306-00-147-1939	No Name Available	01/01/1960

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
STD679	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-629-9845?

The FSCG of the NSN 5306-00-629-9845 is 5306

Does the NSN 5306-00-629-9845 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-629-9845 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 5306-00-629-9845 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-629-9845 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 5306-00-629-9845 was assigned to the Federal Catalog?

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