5305-01-663-3279

Find complete technical information, availability, and procurement data for: 5305-01-663-3279
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-663-3279

Item Name Code

18257

Assigment Date

05/05/2017 (9 years ago)

A metallic or nonmetallic item which is rigid, flat and generally smooth. Its thickness is small in comparison to its length and width. It is designed for mounting one or more items and may have drilled or threaded holes or other facilities for mounting to a supporting object or surface. See support,as modified. Do not use if a more specific name applies.

right-hand thread direction, 24.58 millimeters minimum and 25.42 millimeters maximum thread length, 7.32 millimeters minimum and 7.68 millimeters maximum head height, 24.58 millimeters minimum and 25.42 millimeters maximum fastener length, hexagon head style

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: 24.58 millimeters minimum and 25.42 millimeters maximum
Fastener Length: 24.58 millimeters minimum and 25.42 millimeters maximum
Head Style: hexagon
Head Height: 7.32 millimeters minimum and 7.68 millimeters maximum
Width Between Flats: 20.03 millimeters minimum
Nominal Thread Diameter: 12.0 millimeters
Thread Pitch In Millimeters: 1.75
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
BS88ZCM120025	Hexagon Head Cap Screw
ISO 4017 M12X25-8.8-A2K	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-663-3279?

The FSCG of the NSN 5305-01-663-3279 is 5305

Does the NSN 5305-01-663-3279 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-663-3279 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 5305-01-663-3279 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-663-3279 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 5305-01-663-3279 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Fri, May 5, 2017