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5306-01-057-5989

Find complete technical information, availability, and procurement data for: 5306-01-057-5989

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5306-01-057-5989
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-01-057-5989
Item Name Code
15903
Assigment Date
03/16/1978 (48 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

right-hand thread direction, 1.214 inches minimum and 1.244 inches maximum fastener length, 0.579 inches minimum and 0.629 inches maximum thread length, spline extended washer head style, 3a thread class

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
0.579 inches minimum and 0.629 inches maximum
Fastener Length
1.214 inches minimum and 1.244 inches maximum
Head Style
spline extended washer
Head Height
0.247 inches minimum and 0.287 inches maximum
Extended Washer Diameter
0.575 inches minimum and 0.585 inches maximum
Extended Washer Thickness
0.035 inches minimum and 0.055 inches maximum
Grip Diameter
0.3110 inches minimum and 0.3120 inches maximum
Head Minor Diameter
0.383 inches minimum and 0.389 inches maximum
Nominal Thread Diameter
0.312 inches
Grip Length
0.615 inches minimum and 0.635 inches maximum
Thread Quantity Per Inch
24
Minimum Tensile Strength
220000 pounds per square inch
Hardness Rating
46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Material
steel comp h11 overall
Material Document And Classification
ams 6487 assn std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
mil-c-8837 ty 2 cl 2 mil spec 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
5306PL1497315 Shear Bolt
MS21297-05010 Shear Bolt
VFK101G5-010 Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-057-5989?
The FSCG of the NSN 5306-01-057-5989 is 5306
Does the NSN 5306-01-057-5989 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-057-5989 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 5306-01-057-5989 contain precious materials?
Precious metal content is unknown
Does NSN 5306-01-057-5989 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 5306-01-057-5989 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Thu, Mar 16, 1978

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 1,749
New Material 1,405
Total 3,154
Availability of this item was last updated on: 01/15/2026 11:01 AM EST. Stock levels and pricing are subject to change.

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