5306-01-142-2139

Find complete technical information, availability, and procurement data for: 5306-01-142-2139
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-142-2139

Item Name Code

15903

Assigment Date

11/13/1982 (43 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

1.995 inches nominal fastener length, right-hand thread direction, 0.370 inches nominal thread length, dished hexagon head style, 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: 0.370 inches nominal
Fastener Length: 1.995 inches nominal
Head Style: dished hexagon
Head Height: 0.132 inches nominal
Width Between Flats: 0.434 inches nominal
Grip Diameter: 0.2490 inches nominal
Shank Unthreaded Hole Diameter: 0.081 inches nominal first hole
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.625 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.825 inches nominal first hole
Material: steel overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas6204 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-286-1454	No Name Available	10/01/1997

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
5306PL1726026	Shear Bolt
NAS6204-26D	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-142-2139?

The FSCG of the NSN 5306-01-142-2139 is 5306

Does the NSN 5306-01-142-2139 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-142-2139 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 5306-01-142-2139 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-142-2139 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 5306-01-142-2139 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Nov 13, 1982