68484-8-24

View detailed technical data, stock status, and sourcing information for: 68484-8-24
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-235-3162

Item Name Code

27851

Assigment Date

06/27/1986 (40 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.

double hexagon head style, 0.490 inches minimum and 0.557 inches maximum thread length, 2.000 inches minimum and 2.047 inches maximum fastener length, 3a thread class, right-hand thread direction

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: 0.490 inches minimum and 0.557 inches maximum
Fastener Length: 2.000 inches minimum and 2.047 inches maximum
Head Style: double hexagon
Head Height: 0.271 inches minimum and 0.291 inches maximum
Width Between Flats: 0.741 inches minimum and 0.752 inches maximum
Grip Diameter: 0.4985 inches minimum and 0.4995 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches minimum and 0.116 inches maximum first hole
Nominal Thread Diameter: 0.500 inches
Grip Length: 1.490 inches minimum and 1.510 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 132000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.860 inches minimum and 1.890 inches maximum first hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Special Features: cetyl alcohol lub
Material: steel overall
Material Document And Classification: h-11 stsbs000 fscm 98897 mfr ref single material response overall
Surface Treatment: nickel and cadmium and chromate overall
Surface Treatment Document And Classification: stsbs000 fscm 98897 mfr ref single treatment response overall
Thread Series Designator: unjf

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68484-8-24	Close Tolerance Bolt
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VS2978A08D024	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-235-3162?

The FSCG of the NSN 5306-01-235-3162 is 5306

Does the NSN 5306-01-235-3162 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-235-3162 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 5306-01-235-3162 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-235-3162 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 5306-01-235-3162 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Jun 27, 1986