5306-00-803-7374

Find complete technical information, availability, and procurement data for: 5306-00-803-7374
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-803-7374

Item Name Code

01847

Assigment Date

01/01/1962 (64 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.

right-hand thread direction, 3.603 inches minimum and 3.633 inches maximum fastener length, 0.968 inches minimum and 1.018 inches maximum thread length, double hexagon w/hole 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: 0.968 inches minimum and 1.018 inches maximum
Fastener Length: 3.603 inches minimum and 3.633 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.701 inches minimum and 0.721 inches maximum
Width Between Flats: 0.808 inches minimum and 0.817 inches maximum
Extended Washer Diameter: 1.220 inches minimum and 1.230 inches maximum
Extended Washer Thickness: 0.168 inches minimum and 0.188 inches maximum
Hole Diameter: 0.055 inches nominal
Nominal Thread Diameter: 0.750 inches
Grip Length: 2.615 inches minimum and 2.635 inches maximum
Hole Quantity: 4
Hole Type: drilled
Features Provided: finished head
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Hole Configuration Style: double hexagon longitudinal hole
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas 672 assn std single treatment response overall
Thread Series Designator: unf

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
NAS496	Machine Bolt
NAS632-42	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-803-7374?

The FSCG of the NSN 5306-00-803-7374 is 5306

Does the NSN 5306-00-803-7374 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-803-7374 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 5306-00-803-7374 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-803-7374 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 5306-00-803-7374 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962