5305-00-218-6421

Find complete technical information, availability, and procurement data for: 5305-00-218-6421
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-218-6421

Item Name Code

41756

Assigment Date

05/02/1973 (53 years ago)

0.643 inches nominal extended washer diameter, hexagon extended washer head style, 0.500 inches nominal width between flats, 0.719 inches nominal fastener length, 0.270 inches nominal head height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 0.719 inches nominal
Head Style: hexagon extended washer
Head Height: 0.270 inches nominal
Width Between Flats: 0.500 inches nominal
Extended Washer Diameter: 0.643 inches nominal
Extended Washer Thickness: 0.050 inches nominal
Internal Drive Style: w/o internal drive
Nonmachine Thread Style: blunt (type tt)
Nonmachine Nominal Thread Diameter: 0.312 inches
Material: steel overall

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
9419648	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-00-218-6421?

The FSCG of the NSN 5305-00-218-6421 is 5305

Does the NSN 5305-00-218-6421 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-00-218-6421 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 5305-00-218-6421 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-218-6421 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 5305-00-218-6421 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, May 2, 1973