5306-01-390-5221

Find complete technical information, availability, and procurement data for: 5306-01-390-5221
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-390-5221

Item Name Code

01847

Assigment Date

05/21/1994 (32 years ago)

3.047 inches nominal thread length, 3a thread class, 2.985 inches minimum and 3.047 inches maximum fastener length, double hexagon extended washer 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: 3.047 inches nominal
Fastener Length: 2.985 inches minimum and 3.047 inches maximum
Head Style: double hexagon extended washer
Head Height: 0.864 inches minimum and 0.875 inches maximum
Width Between Flats: 0.868 inches minimum and 0.879 inches maximum
Extended Washer Diameter: 1.293 inches minimum and 1.312 inches maximum
Extended Washer Thickness: 0.333 inches minimum and 0.353 inches maximum
Nominal Thread Diameter: 0.875 inches
Thread Quantity Per Inch: 9
Hardness Rating: 32.0 rockwell c minimum and 37.0 rockwell c maximum overall
Material: steel comp 4140 or steel comp 316l or steel comp 4640 overall
Material Document And Classification: mil-s-5626, cond c2 mil spec 1st material response or mil-s-5000, cond c2 mil spec 2nd material response or astm a29 assn std 3rd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, type 2, class 3 fed spec all treatment responses overall
Thread Series Designator: unc

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
624254-1438DN3	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-390-5221?

The FSCG of the NSN 5306-01-390-5221 is 5306

Does the NSN 5306-01-390-5221 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-390-5221 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 5306-01-390-5221 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-390-5221 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 5306-01-390-5221 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Sat, May 21, 1994