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5306-00-508-4660

Find complete technical information, availability, and procurement data for: 5306-00-508-4660

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5306-00-508-4660
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-508-4660
Item Name Code
15903
Assigment Date
07/26/1974 (51 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.

dished hexagon head style, 3a thread class, 0.125 inches minimum and 0.140 inches maximum head height, 0.345 inches minimum and 0.395 inches maximum thread length, 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
0.345 inches minimum and 0.395 inches maximum
Head Style
dished hexagon
Head Height
0.125 inches minimum and 0.140 inches maximum
Width Between Flats
0.430 inches minimum and 0.439 inches maximum
Hole Diameter
0.051 inches nominal
Shank Unthreaded Hole Diameter
0.076 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter
0.250 inches
Grip Length
4.365 inches minimum and 4.385 inches maximum
Hole Quantity
3
Hole Type
drilled
Thread Quantity Per Inch
28
Minimum Tensile Strength
160000 pounds per square inch
Hole Configuration Style
hexagon corners
Distance From Head Largest Bearing Surface To Shank Hole Center
4.550 inches minimum and 4.600 inches maximum first hole
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Part Name Assigned By Controlling Agency
navy special project
Material Document And Classification
ams 5731 assn std single material response or ams 5737 assn std single material response overall
Thread Series Designator
unjf
Specification/Standard Data
80205-nas6304 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5306-01-028-3506 No Name Available 03/01/1995

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
NAS6304U70DH Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-508-4660?
The FSCG of the NSN 5306-00-508-4660 is 5306
Does NSN 5306-00-508-4660 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 5306-00-508-4660 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-00-508-4660 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 5306-00-508-4660 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Fri, Jul 26, 1974

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