MIL-S-24240/4

View detailed technical data, stock status, and sourcing information for: MIL-S-24240/4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-110-7871

Item Name Code

01847

Assigment Date

04/06/1981 (45 years ago)

right-hand thread direction, double hexagon extended washer head style, 0.734 inches minimum and 0.766 inches maximum fastener length, 0.651 inches minimum and 0.766 inches maximum thread length, 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: 0.651 inches minimum and 0.766 inches maximum
Fastener Length: 0.734 inches minimum and 0.766 inches maximum
Head Style: double hexagon extended washer
Head Height: 0.306 inches minimum and 0.312 inches maximum
Width Between Flats: 0.312 inches minimum and 0.316 inches maximum
Extended Washer Diameter: 0.457 inches minimum and 0.469 inches maximum
Extended Washer Thickness: 0.099 inches minimum and 0.119 inches maximum
Nominal Thread Diameter: 0.312 inches
Features Provided: finished head
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 3 fed spec 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
10087865	Machine Bolt
M24240-4-20506	Machine Bolt
MIL-S-24240/4	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-110-7871?

The FSCG of the NSN 5306-01-110-7871 is 5306

Does the NSN 5306-01-110-7871 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-110-7871 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 5306-01-110-7871 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-110-7871 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 5306-01-110-7871 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Mon, Apr 6, 1981