5305-01-663-5843

Find complete technical information, availability, and procurement data for: 5305-01-663-5843
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-663-5843

Item Name Code

18257

Assigment Date

05/15/2017 (9 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding, intergral prongs or by bonding.

11.285 millimeters minimum and 11.715 millimeters maximum head height, 44.5 millimeters minimum and 45.5 millimeters maximum thread length, hexagon head style, 44.5 millimeters minimum and 45.5 millimeters maximum 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: 44.5 millimeters minimum and 45.5 millimeters maximum
Fastener Length: 44.5 millimeters minimum and 45.5 millimeters maximum
Head Style: hexagon
Head Height: 11.285 millimeters minimum and 11.715 millimeters maximum
Width Between Flats: 30.14 millimeters minimum
Nominal Thread Diameter: 18.0 millimeters
Thread Pitch In Millimeters: 2.5
External Thread Tolerance Class: 6g
Chamfer Angle: 15.0 degrees minimum and 30.0 degrees maximum
Material: steel property class 8.8 overall
Surface Treatment: zinc 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
ISO 4017 M18X45-8.8-A2K	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-663-5843?

The FSCG of the NSN 5305-01-663-5843 is 5305

Does the NSN 5305-01-663-5843 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-663-5843 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 5305-01-663-5843 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-663-5843 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 5305-01-663-5843 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Mon, May 15, 2017