5306-01-143-1749

Find complete technical information, availability, and procurement data for: 5306-01-143-1749
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-143-1749

Item Name Code

06675

Assigment Date

11/28/1982 (43 years ago)

An externally threaded fastener the head of which is usually flat with a periphery not concentric to the bolt shank. The head is not designed for wrenching. It may have a drive feature located at the threaded end, which can be used to rotate the screw and eccentric head into a locking position to secure a flanged or groove component.

3a thread class, right-hand thread direction, hexagon head style, 0.380 inches nominal thread length, 2.000 inches nominal fastener length

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: 0.380 inches nominal
Fastener Length: 2.000 inches nominal
Head Style: hexagon
Head Height: 0.250 inches nominal
Width Between Flats: 0.679 inches minimum and 0.690 inches maximum
First Diameter From Head: 0.360 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 1.620 inches nominal
Nominal Thread Diameter: 0.437 inches
Features Provided: finished head
Thread Quantity Per Inch: 20
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 8617 overall
Thread Series Designator: unjf

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
74D461007-2007	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-143-1749?

The FSCG of the NSN 5306-01-143-1749 is 5306

Does the NSN 5306-01-143-1749 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-143-1749 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 5306-01-143-1749 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-143-1749 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 5306-01-143-1749 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sun, Nov 28, 1982