5306-01-076-7201

Find complete technical information, availability, and procurement data for: 5306-01-076-7201
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-076-7201

Item Name Code

06676

Assigment Date

05/10/1979 (47 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.

32 counterbore threads per inch, right-hand thread direction, 2a thread class, 0.304 inches minimum and 0.375 inches maximum thread length, 0.812 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Threads Per Inch: 32 counterbore
Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.304 inches minimum and 0.375 inches maximum
Fastener Length: 0.812 inches nominal
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.204 inches maximum
Width Between Flats: 0.375 inches nominal
Concentric Hole Diameter: 0.062 inches nominal
Internal Thread Length: 0.422 inches minimum and 0.454 inches maximum counterbore
Nominal Thread Diameter: 0.250 inches
Thread Series: unf counterbore
Internal Thread Direction: right-hand counterbore
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.190 inches counterbore
Internal Thread Class: 2b counterbore
Material: steel overall
Surface Treatment: chromate overall
Surface Treatment Document And Classification: esfc-7 fscm 24655 mfr ref single treatment response overall
Style Designator: counterbore threaded
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
3010-0670	Internally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-076-7201?

The FSCG of the NSN 5306-01-076-7201 is 5306

Does the NSN 5306-01-076-7201 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-076-7201 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 5306-01-076-7201 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-076-7201 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 5306-01-076-7201 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Thu, May 10, 1979