5306-01-040-8709

Find complete technical information, availability, and procurement data for: 5306-01-040-8709
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-040-8709

Item Name Code

27851

Assigment Date

05/16/1977 (49 years ago)

0.516 inches minimum and 0.566 inches maximum thread length, right-hand thread direction, undercut hexagon head style, 3a thread class, 1.838 inches minimum and 1.868 inches maximum 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: 0.516 inches minimum and 0.566 inches maximum
Fastener Length: 1.838 inches minimum and 1.868 inches maximum
Head Style: undercut hexagon
Head Height: 0.219 inches minimum and 0.234 inches maximum
Width Between Flats: 0.679 inches minimum and 0.690 inches maximum
Grip Diameter: 0.4365 inches minimum and 0.4370 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches minimum and 0.116 inches maximum first hole
Nominal Thread Diameter: 0.438 inches
Grip Length: 1.302 inches minimum and 1.322 inches maximum
Thread Quantity Per Inch: 20
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.612 inches minimum and 1.662 inches maximum all holes
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: iron alloy 660 overall
Surface Treatment: passivate overall
Thread Series Designator: unf
Specification/Standard Data: 81205-bacb30lj manufacturers standard

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
BACB30LJ7DU21	Close Tolerance Bolt
BACBN30LJ7DU21	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-040-8709?

The FSCG of the NSN 5306-01-040-8709 is 5306

Does the NSN 5306-01-040-8709 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-040-8709 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 5306-01-040-8709 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-040-8709 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 5306-01-040-8709 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, May 16, 1977