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5306-00-508-6240

Find complete technical information, availability, and procurement data for: 5306-00-508-6240

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5306-00-508-6240
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-508-6240
Item Name Code
15903
Assigment Date
07/26/1974 (52 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.

3a thread class, 0.400 inches minimum and 0.450 inches maximum thread length, 0.535 inches minimum and 0.565 inches maximum fastener length, dished hexagon head style, 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
0.400 inches minimum and 0.450 inches maximum
Fastener Length
0.535 inches minimum and 0.565 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
Grip Diameter
0.2490 inches minimum and 0.2495 inches maximum
Nominal Thread Diameter
0.250 inches
Grip Length
0.115 inches minimum and 0.135 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
Material
iron alloy 660 overall
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-nas6704 professional/industrial association standard

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
10114318 Shear Bolt
5306PL0716384 Shear Bolt
NAS6704HU2 Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-508-6240?
The FSCG of the NSN 5306-00-508-6240 is 5306
Does the NSN 5306-00-508-6240 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-508-6240 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 5306-00-508-6240 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-508-6240 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 5306-00-508-6240 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Jul 26, 1974

Professional Distribution

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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 Material 2,842
New Surplus 204
Serviceable 3
Total 3,049
Availability of this item was last updated on: 08/11/2026 03:08 PM EDT. Stock levels and pricing are subject to change.

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