5306-00-638-3798

Find complete technical information, availability, and procurement data for: 5306-00-638-3798
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-638-3798

Item Name Code

06675

Assigment Date

01/01/1963 (63 years ago)

1.531 inches nominal fastener length, hexagon head style, right-hand thread direction, 0.180 inches minimum and 0.200 inches maximum 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: 0.180 inches minimum and 0.200 inches maximum
Fastener Length: 1.531 inches nominal
Head Style: hexagon
Head Height: 0.125 inches nominal
Width Between Flats: 0.490 inches minimum and 0.508 inches maximum
First Diameter From Head: 0.490 inches minimum and 0.502 inches maximum
Second Diameter From Head: 0.309 inches minimum and 0.312 inches maximum
Third Diameter From Head: 0.186 inches minimum and 0.196 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.006 inches minimum and 0.026 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 1.261 inches minimum and 1.291 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 1.321 inches minimum and 1.361 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: 3
Material: steel 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
726334-3	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-638-3798?

The FSCG of the NSN 5306-00-638-3798 is 5306

Does the NSN 5306-00-638-3798 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-638-3798 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 5306-00-638-3798 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-638-3798 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 5306-00-638-3798 was assigned to the Federal Catalog?

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