5306-01-156-3745

Find complete technical information, availability, and procurement data for: 5306-01-156-3745
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-156-3745

Item Name Code

27851

Assigment Date

06/20/1983 (43 years ago)

An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

right-hand thread direction, 3.2 millimeters minimum and 3.5 millimeters maximum head height, 9.5 millimeters minimum and 10.5 millimeters maximum thread length, 69.70 millimeters minimum and 70.30 millimeters maximum fastener length, undercut hexagon 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 Direction: right-hand
Thread Length: 9.5 millimeters minimum and 10.5 millimeters maximum
Fastener Length: 69.70 millimeters minimum and 70.30 millimeters maximum
Head Style: undercut hexagon
Head Height: 3.2 millimeters minimum and 3.5 millimeters maximum
Width Between Flats: 9.78 millimeters minimum and 10.00 millimeters maximum
Grip Diameter: 5.9650 millimeters minimum and 5.9900 millimeters maximum
Nominal Thread Diameter: 6.0 millimeters
Grip Length: 59.80 millimeters minimum and 60.20 millimeters maximum
Minimum Tensile Strength: 1100 megapascals
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Thread Pitch In Millimeters: 1.0
Surface Finish: 0.8 micrometers bearing surface of head
Surface Finish: 0.8 micrometers grip
Surface Finish: 0.8 micrometers threads
Material: steel comp 8740 or steel comp e4340 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Thread Series Designator: mj
Specification/Standard Data: 80205-na0036 professional/industrial association standard

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
NA0036-060060	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-156-3745?

The FSCG of the NSN 5306-01-156-3745 is 5306

Does the NSN 5306-01-156-3745 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-156-3745 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 5306-01-156-3745 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-156-3745 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 5306-01-156-3745 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, Jun 20, 1983