5306-01-277-6227

Find complete technical information, availability, and procurement data for: 5306-01-277-6227
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-277-6227

Item Name Code

27851

Assigment Date

04/25/1988 (38 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.

2.451 inches minimum and 2.492 inches maximum fastener length, double hexagon head style, right-hand thread direction, 3a thread class, 0.529 inches minimum and 0.690 inches maximum thread length

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: 0.529 inches minimum and 0.690 inches maximum
Fastener Length: 2.451 inches minimum and 2.492 inches maximum
Head Style: double hexagon
Head Height: 0.281 inches nominal
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 nominal first hole
Nominal Thread Diameter: 0.500 inches
Grip Length: 1.802 inches minimum and 1.822 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 125000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.198 inches minimum and 2.218 inches maximum first hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 assn std single material 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
73586D-8-29	Close Tolerance Bolt
73586D-8-A29	Close Tolerance Bolt
LE111-0064-0829	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-277-6227?

The FSCG of the NSN 5306-01-277-6227 is 5306

Does the NSN 5306-01-277-6227 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-277-6227 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 5306-01-277-6227 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-277-6227 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 5306-01-277-6227 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Apr 25, 1988