5306-01-381-0890

Find complete technical information, availability, and procurement data for: 5306-01-381-0890
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-381-0890

Item Name Code

15903

Assigment Date

10/07/1993 (32 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.

0.593 inches nominal thread length, 3a thread class, double hexagon extended washer head style, right-hand thread direction, 1.593 inches nominal fastener 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: 0.593 inches nominal
Fastener Length: 1.593 inches nominal
Head Style: double hexagon extended washer
Head Height: 0.309 inches minimum and 0.329 inches maximum
Width Between Flats: 0.418 inches nominal
Extended Washer Diameter: 0.575 inches minimum and 0.585 inches maximum
Extended Washer Thickness: 0.040 inches minimum and 0.060 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
End Item Identification: pacer dawn
Nominal Thread Diameter: 0.3125 inches
Grip Length: 1.000 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Material: steel comp h11 overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: nickel and cadmium overall
Surface Treatment Document And Classification: ams 2416 assn std 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:

Part Number	Name
NAS1785-5-16	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-381-0890?

The FSCG of the NSN 5306-01-381-0890 is 5306

Does the NSN 5306-01-381-0890 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-381-0890 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 5306-01-381-0890 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-381-0890 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 5306-01-381-0890 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, Oct 7, 1993