5305-01-621-3309

Find complete technical information, availability, and procurement data for: 5305-01-621-3309
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-621-3309

Item Name Code

18257

Assigment Date

09/03/2013 (12 years ago)

A rigid item designed to suspend, support, retain and/or position vehicular component and/or attachment items. Do not use if a more specific item name exists.

hexagon head style, 3.50 inches nominal thread length, 3.50 inches nominal fastener length, right-hand thread direction, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 3.50 inches nominal
Fastener Length: 3.50 inches nominal
Head Style: hexagon
Head Height: 0.3125 millimeters nominal
Width Between Flats: 0.750 millimeters nominal
End Item Identification: mrap buffalo mk2a2
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Part Name Assigned By Controlling Agency: "1/2"-20x3 1/2" hexhead capscrew"
Material: steel overall
Surface Treatment: dichromate zinc 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
92620A751	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-621-3309?

The FSCG of the NSN 5305-01-621-3309 is 5305

Does the NSN 5305-01-621-3309 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-621-3309 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 5305-01-621-3309 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-621-3309 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 5305-01-621-3309 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Tue, Sep 3, 2013