5306-01-188-6841

Find complete technical information, availability, and procurement data for: 5306-01-188-6841
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-188-6841

Item Name Code

27851

Assigment Date

09/07/1984 (41 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, 3a thread class, 0.296 inches minimum and 0.336 inches maximum thread length, 1.056 inches minimum and 1.076 inches maximum fastener length, spline drive shear head 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: 0.296 inches minimum and 0.336 inches maximum
Fastener Length: 1.056 inches minimum and 1.076 inches maximum
Head Style: spline drive shear head
Head Height: 0.154 inches minimum and 0.174 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.081 inches maximum first hole
Head Minor Diameter: 0.448 inches minimum and 0.455 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.740 inches minimum and 0.760 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.938 inches minimum and 0.968 inches maximum first hole
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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:

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122895-4D12	Close Tolerance Bolt
AIC687-4D12	Close Tolerance Bolt
GS1015-4D12	Close Tolerance Bolt
MB154-4D12	Close Tolerance Bolt
PBF1265-4D12	Close Tolerance Bolt
S406-4D12	Close Tolerance Bolt
ST3M744-4D12	Close Tolerance Bolt
VCG0001-4D12	Close Tolerance Bolt
VS3174-4D12	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-188-6841?

The FSCG of the NSN 5306-01-188-6841 is 5306

Does the NSN 5306-01-188-6841 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-188-6841 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 5306-01-188-6841 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-188-6841 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 5306-01-188-6841 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Sep 7, 1984