5306-01-521-8590

Find complete technical information, availability, and procurement data for: 5306-01-521-8590
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-521-8590

Item Name Code

15903

Assigment Date

07/08/2004 (22 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

3a thread class, right-hand thread direction, dished hexagon head style, 0.526 inches nominal thread length, 2.201 inches minimum and 2.231 inches maximum fastener length

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: 0.526 inches nominal
Fastener Length: 2.201 inches minimum and 2.231 inches maximum
Head Style: dished hexagon
Head Height: 0.250 inches minimum and 0.265 inches maximum
Width Between Flats: 0.741 inches minimum and 0.752 inches maximum
Grip Diameter: 0.498 inches minimum and 0.499 inches maximum
Nominal Thread Diameter: 0.500 inches
Grip Length: 1.678 inches minimum and 1.698 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Material: steel comp 4340 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Thread Series Designator: unjf

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
NAS6208-27	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-521-8590?

The FSCG of the NSN 5306-01-521-8590 is 5306

Does the NSN 5306-01-521-8590 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-521-8590 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 5306-01-521-8590 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-521-8590 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 5306-01-521-8590 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Thu, Jul 8, 2004