5305-00-297-8081

Find complete technical information, availability, and procurement data for: 5305-00-297-8081
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-297-8081

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, hexagon head style, 3.500 inches nominal fastener length, 3.500 inches maximum thread length, 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: 3.500 inches maximum
Fastener Length: 3.500 inches nominal
Head Style: hexagon
Head Height: 0.272 inches minimum and 0.291 inches maximum
Width Between Flats: 0.612 inches minimum and 0.625 inches maximum
Nominal Thread Diameter: 0.437 inches
Thread Quantity Per Inch: 14
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type and 10 style
Departure From Cited Designator: as modified by thread length

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
SC9918	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-297-8081?

The FSCG of the NSN 5305-00-297-8081 is 5305

Does the NSN 5305-00-297-8081 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-297-8081 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 5305-00-297-8081 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-297-8081 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 5305-00-297-8081 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963