863978

View detailed technical data, stock status, and sourcing information for: 863978
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-374-4456

Item Name Code

06675

Assigment Date

01/01/1963 (63 years ago)

0.688 inches minimum and 0.812 inches maximum thread length, right-hand thread direction, hexagon head style, 7.969 inches minimum and 8.031 inches maximum fastener length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.688 inches minimum and 0.812 inches maximum
Fastener Length: 7.969 inches minimum and 8.031 inches maximum
Head Style: hexagon
Head Height: 0.218 inches minimum and 0.250 inches maximum
Width Between Flats: 0.427 inches minimum and 0.442 inches maximum
First Diameter From Head: 0.290 inches minimum and 0.310 inches maximum
Second Diameter From Head: 0.271 inches minimum and 0.275 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.250 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 7.250 inches nominal
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Externally Relieved Body Diameter Quantity: 2
Material: steel overall
Surface Treatment: cadmium overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-358-6476	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
1914755	Externally Relieved Body Bolt
3260E9234	Externally Relieved Body Bolt
65WDV1	Externally Relieved Body Bolt
863978	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-374-4456?

The FSCG of the NSN 5306-00-374-4456 is 5306

Does the NSN 5306-00-374-4456 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-374-4456 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 5306-00-374-4456 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-374-4456 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 5306-00-374-4456 was assigned to the Federal Catalog?

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