5305-01-351-5521

Find complete technical information, availability, and procurement data for: 5305-01-351-5521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-351-5521

Item Name Code

18257

Assigment Date

01/10/1992 (34 years ago)

A headed, threaded fastening device with special square threads, which is designed to be attached to a panel by means of a retaining washer. The screw fastener is used in conjunction with a speed nut to facilitate fastening two items.

hexagon head style, 38.78 millimeters nominal thread length, 5.5 millimeters nominal head height, 41.28 millimeters 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 Direction: right-hand
Thread Length: 38.78 millimeters nominal
Fastener Length: 41.28 millimeters nominal
Head Style: hexagon
Head Height: 5.5 millimeters nominal
Width Between Flats: 12.7 millimeters nominal
Nominal Thread Diameter: 8.0 millimeters
Thread Pitch In Millimeters: 1.25
External Thread Tolerance Class: 6g
Material: steel overall
Thread Series Designator: m

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
8C6876	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-351-5521?

The FSCG of the NSN 5305-01-351-5521 is 5305

Does the NSN 5305-01-351-5521 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-351-5521 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 5305-01-351-5521 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-351-5521 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 5305-01-351-5521 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Jan 10, 1992