5306-01-313-9052

Find complete technical information, availability, and procurement data for: 5306-01-313-9052
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-313-9052

Item Name Code

15903

Assigment Date

01/20/1990 (36 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.

0.900 inches minimum and 0.950 inches maximum thread length, 2.660 inches minimum and 2.690 inches maximum fastener length, 3a thread class, right-hand thread direction, spline extended washer head style

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: 0.900 inches minimum and 0.950 inches maximum
Fastener Length: 2.660 inches minimum and 2.690 inches maximum
Head Style: spline extended washer
Head Height: 0.552 inches minimum and 0.572 inches maximum
Extended Washer Diameter: 1.153 inches minimum and 1.163 inches maximum
Extended Washer Thickness: 0.080 inches minimum and 0.100 inches maximum
Grip Diameter: 0.6230 inches minimum and 0.6240 inches maximum
Head Minor Diameter: 0.673 inches minimum and 0.688 inches maximum
Nominal Thread Diameter: 0.625 inches
Grip Length: 1.740 inches minimum and 1.760 inches maximum
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel comp 4140 or steel comp e4340 or steel comp 8740 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 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
MS21134-10028	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-313-9052?

The FSCG of the NSN 5306-01-313-9052 is 5306

Does the NSN 5306-01-313-9052 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-313-9052 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 5306-01-313-9052 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-313-9052 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 5306-01-313-9052 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Jan 20, 1990