5306-01-238-8875

Find complete technical information, availability, and procurement data for: 5306-01-238-8875
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-238-8875

Item Name Code

06676

Assigment Date

08/21/1986 (40 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.

1.750 inches nominal fastener length, right-hand thread direction, undercut hexagon head style, 20 concentric hole threads per inch, 1.375 inches nominal thread 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: 20 concentric hole
Thread Direction: right-hand
Thread Length: 1.375 inches nominal
Fastener Length: 1.750 inches nominal
Head Style: undercut hexagon
Head Height: 0.250 inches nominal
Width Between Flats: 0.562 inches nominal
Concentric Hole Diameter: 0.250 inches nominal
Internal Thread Length: 0.375 inches nominal concentric hole
Nominal Thread Diameter: 0.531 inches
Thread Series: unc concentric hole
Internal Thread Direction: right-hand concentric hole
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.250 inches concentric hole
Special Features: counterbore on head,0.094 in. deep,0.422 in. dia
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281 cl a fed spec single material response overall
Style Designator: counterbore threaded
Thread Series Designator: uns

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
B2069S PIECE 4	Internally Relieved Body Bolt
NMP104 PIECE 4	Internally Relieved Body Bolt
S27-4643344 ITEM 15	Internally Relieved Body Bolt
S4824H3129325 PIECE 4	Internally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-238-8875?

The FSCG of the NSN 5306-01-238-8875 is 5306

Does the NSN 5306-01-238-8875 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-01-238-8875 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 5306-01-238-8875 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-238-8875 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 5306-01-238-8875 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Aug 21, 1986