5306-00-045-1927

Find complete technical information, availability, and procurement data for: 5306-00-045-1927
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-045-1927

Item Name Code

27851

Assigment Date

01/01/1961 (65 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, hexagon head style, 3a thread class, 0.724 inches minimum and 0.744 inches maximum fastener length, 0.474 inches minimum and 0.526 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: 0.474 inches minimum and 0.526 inches maximum
Fastener Length: 0.724 inches minimum and 0.744 inches maximum
Head Style: hexagon
Head Height: 0.115 inches minimum and 0.135 inches maximum
Width Between Flats: 0.438 inches nominal
Grip Diameter: 0.2483 inches minimum and 0.2492 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.218 inches minimum and 0.250 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 150000 pounds per square inch
Surface Finish: 80.0 microinches bearing surface of head
Surface Finish: 80.0 microinches grip
Material: steel comp 8740 or steel comp e4340 overall
Material Document And Classification: mil-s-6049 mil spec 1st material response or -1l-s-5000 mil spec 2nd material response overall
Precious Material And Location: overall silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: pv-f-183,fscm 77272 mfr ref single treatment response overall
Thread Series Designator: unf

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
107D3241-1	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-045-1927?

The FSCG of the NSN 5306-00-045-1927 is 5306

Does the NSN 5306-00-045-1927 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-045-1927 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 5306-00-045-1927 contain precious materials?

Item contains silver.

Does NSN 5306-00-045-1927 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 5306-00-045-1927 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961