LB34-4-92

View detailed technical data, stock status, and sourcing information for: LB34-4-92
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-133-3877

Item Name Code

27851

Assigment Date

06/13/1982 (44 years ago)

6.240 inches minimum and 6.260 inches maximum fastener length, right-hand thread direction, 3a thread class, hexagon head style, 0.344 inches minimum and 0.395 inches maximum thread 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: 0.344 inches minimum and 0.395 inches maximum
Fastener Length: 6.240 inches minimum and 6.260 inches maximum
Head Style: hexagon
Head Height: 0.126 inches minimum and 0.141 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Grip Diameter: 0.2487 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter: 0.250 inches
Grip Length: 5.750 inches minimum and 5.766 inches maximum
Thread Quantity Per Inch: 28
Distance From Head Largest Bearing Surface To Shank Hole Center: 6.171 inches nominal first hole
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Special Features: retaining element in shank
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material response overall
Surface Treatment: passivate 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
10115916	Close Tolerance Bolt
LB34-4-92	Close Tolerance Bolt
ST3M743C4-92	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-133-3877?

The FSCG of the NSN 5306-01-133-3877 is 5306

Does the NSN 5306-01-133-3877 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-133-3877 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 5306-01-133-3877 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-133-3877 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 5306-01-133-3877 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Jun 13, 1982