11640955

View detailed technical data, stock status, and sourcing information for: 11640955
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-462-7023

Item Name Code

18257

Assigment Date

05/07/1969 (57 years ago)

3a thread class, 2.500 inches nominal fastener length, right-hand thread direction, hexagon head style, 1.312 inches minimum thread length

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 1.312 inches minimum
Fastener Length: 2.500 inches nominal
Head Style: hexagon
Head Height: 0.312 inches minimum and 0.327 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Hardness Rating: 302.0 brinell standard minimum and 341.0 brinell standard maximum overall
Material: steel comp 3135 or steel comp 4037 or steel comp 8637 or steel comp 8640 overall
Material Document And Classification: aisi assn std all material responses or sae assn std all material responses overall
Thread Series Designator: unc

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
11640955	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-462-7023?

The FSCG of the NSN 5305-00-462-7023 is 5305

Does the NSN 5305-00-462-7023 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-462-7023 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 5305-00-462-7023 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-462-7023 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 5305-00-462-7023 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, May 7, 1969