5305-01-131-2921

Find complete technical information, availability, and procurement data for: 5305-01-131-2921
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-131-2921

Item Name Code

18257

Assigment Date

05/07/1982 (44 years ago)

hexagon head style, 1.750 inches nominal thread length, right-hand thread direction, 11.750 inches nominal fastener length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 1.750 inches nominal
Fastener Length: 11.750 inches nominal
Head Style: hexagon
Head Height: 0.591 inches minimum and 0.627 inches maximum
Width Between Flats: 1.469 inches minimum and 1.500 inches maximum
Nominal Thread Diameter: 1.000 inches
Thread Quantity Per Inch: 8
Material: steel 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
1J2989	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-131-2921?

The FSCG of the NSN 5305-01-131-2921 is 5305

Does the NSN 5305-01-131-2921 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-131-2921 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 5305-01-131-2921 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-131-2921 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 5305-01-131-2921 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, May 7, 1982