5306-00-690-9621

Find complete technical information, availability, and procurement data for: 5306-00-690-9621
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-690-9621

Item Name Code

06675

Assigment Date

01/01/1963 (63 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

0.610 inches minimum and 0.870 inches maximum thread length, right-hand thread direction, 2.610 inches minimum and 2.640 inches maximum fastener length, hexagon head style, 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: 0.610 inches minimum and 0.870 inches maximum
Fastener Length: 2.610 inches minimum and 2.640 inches maximum
Head Style: hexagon
Head Height: 0.176 inches minimum and 0.226 inches maximum
Width Between Flats: 0.438 inches nominal
First Diameter From Head: 0.243 inches minimum and 0.250 inches maximum
Second Diameter From Head: 0.195 inches minimum and 0.200 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.600 inches minimum and 0.630 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 1.920 inches minimum and 2.000 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Hardness Rating: 34.0 rockwell c minimum and 38.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 2
Material: steel comp e4340 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
373744	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-690-9621?

The FSCG of the NSN 5306-00-690-9621 is 5306

Does the NSN 5306-00-690-9621 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-690-9621 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 5306-00-690-9621 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-690-9621 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 5306-00-690-9621 was assigned to the Federal Catalog?

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