5306-00-678-9661

Find complete technical information, availability, and procurement data for: 5306-00-678-9661
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-678-9661

Item Name Code

27851

Assigment Date

01/01/1961 (65 years ago)

3a thread class, 0.953 inches minimum and 0.983 inches maximum fastener length, right-hand thread direction, 0.760 inches minimum and 0.800 inches maximum thread length, hexagon head style

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: 0.760 inches minimum and 0.800 inches maximum
Fastener Length: 0.953 inches minimum and 0.983 inches maximum
Head Style: hexagon
Head Height: 0.204 inches minimum and 0.234 inches maximum
Width Between Flats: 0.620 inches minimum and 0.630 inches maximum
Grip Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.183 inches minimum and 0.193 inches maximum
Thread Quantity Per Inch: 24
Hardness Rating: 45.0 rockwell c nominal overall
Surface Finish: 32.0 microinches grip
Material: steel comp 4140 or steel comp 8740 or steel comp e4340 or steel comp 4340 overall
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
693077	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-678-9661?

The FSCG of the NSN 5306-00-678-9661 is 5306

Does the NSN 5306-00-678-9661 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-678-9661 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 5306-00-678-9661 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-678-9661 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 5306-00-678-9661 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961