LB58-5-18

View detailed technical data, stock status, and sourcing information for: LB58-5-18
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-391-6123

Item Name Code

27851

Assigment Date

06/15/1994 (32 years ago)

1.505 inches minimum and 1.525 inches maximum fastener length, hexagon head style, 0.390 inches nominal thread length, right-hand thread direction, 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: 0.390 inches nominal
Fastener Length: 1.505 inches minimum and 1.525 inches maximum
Head Style: hexagon
Head Height: 0.157 inches minimum and 0.172 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Grip Diameter: 0.3112 inches minimum and 0.3117 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter: 0.312 inches
Grip Length: 1.125 inches minimum and 1.141 inches maximum
Thread Quantity Per Inch: 24
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.475 inches nominal first hole
Special Features: furnished with castellated nut retainign element; retaining element shall be released only by depressing plunger located in thread end of bolt
Material: nickel alloy 718 overall
Material Document And Classification: ams 5663 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response 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
03A095-5-18	Close Tolerance Bolt
AS402-5-18	Close Tolerance Bolt
LB58-5-18	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-391-6123?

The FSCG of the NSN 5306-01-391-6123 is 5306

Does the NSN 5306-01-391-6123 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-01-391-6123 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 5306-01-391-6123 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-391-6123 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 5306-01-391-6123 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Jun 15, 1994