2337991-506

View detailed technical data, stock status, and sourcing information for: 2337991-506
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-207-4512

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

3a thread class, hexagon head style, right-hand thread direction, 1.188 inches minimum thread length, 2.750 inches nominal fastener 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: 1.188 inches minimum
Fastener Length: 2.750 inches nominal
Head Style: hexagon
Head Height: 0.219 inches nominal
Width Between Flats: 0.562 inches nominal
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Material: steel comp 303 or steel comp 303se overall
Material Document And Classification: mil-s-7720 mil spec 1st material response or mil-s-18732 mil spec 2nd material response overall
Surface Treatment: passivate overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-122-3787	No Name Available	01/01/1960
5306-00-693-6136	No Name Available	01/01/1963

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
12119-24	Hexagon Head Cap Screw
2337991-506	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-207-4512?

The FSCG of the NSN 5305-00-207-4512 is 5305

Does the NSN 5305-00-207-4512 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-207-4512 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 5305-00-207-4512 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-207-4512 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 5305-00-207-4512 was assigned to the Federal Catalog?

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