5306-00-186-6540

Find complete technical information, availability, and procurement data for: 5306-00-186-6540
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-186-6540

Item Name Code

01847

Assigment Date

03/09/1973 (53 years ago)

3a thread class, 1.687 inches minimum thread length, double hexagon extended washer head style, 2.250 inches nominal fastener 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: 1.687 inches minimum
Fastener Length: 2.250 inches nominal
Head Style: double hexagon extended washer
Head Height: 0.492 inches minimum and 0.500 inches maximum
Width Between Flats: 0.495 inches minimum and 0.503 inches maximum
Extended Washer Diameter: 0.735 inches minimum and 0.750 inches maximum
Extended Washer Thickness: 0.208 inches minimum and 0.228 inches maximum
Nominal Thread Diameter: 0.500 inches
Features Provided: finished head
Thread Quantity Per Inch: 20
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 overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 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
J58 0.500-20UNF-3A X 2.250	Machine Bolt
M24240-4-20818	Machine Bolt
MILS24240-4	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-186-6540?

The FSCG of the NSN 5306-00-186-6540 is 5306

Does the NSN 5306-00-186-6540 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-186-6540 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 5306-00-186-6540 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-186-6540 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 5306-00-186-6540 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Mar 9, 1973