5306-01-129-6931

Find complete technical information, availability, and procurement data for: 5306-01-129-6931
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-129-6931

Item Name Code

27851

Assigment Date

04/09/1982 (44 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

7.016 inches minimum and 7.046 inches maximum fastener length, 0.444 inches minimum and 0.494 inches maximum thread length, hexagon head style, 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: 0.444 inches minimum and 0.494 inches maximum
Fastener Length: 7.016 inches minimum and 7.046 inches maximum
Head Style: hexagon
Head Height: 0.156 inches minimum and 0.171 inches maximum
Width Between Flats: 0.492 inches minimum and 0.564 inches maximum
Grip Diameter: 0.3115 inches minimum and 0.3120 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter: 0.312 inches
Grip Length: 6.552 inches minimum and 6.572 inches maximum
Thread Quantity Per Inch: 24
Distance From Head Largest Bearing Surface To Shank Hole Center: 6.825 inches minimum and 6.865 inches maximum first hole
Surface Finish: 16.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: titanium alloy uns r54520 overall
Material Document And Classification: nas621 assn std single material response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas675 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
10115801	Close Tolerance Bolt
NAS675V105D	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-129-6931?

The FSCG of the NSN 5306-01-129-6931 is 5306

Does the NSN 5306-01-129-6931 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5306-01-129-6931 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 5306-01-129-6931 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-129-6931 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 5306-01-129-6931 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Apr 9, 1982