5305-01-514-5643

Find complete technical information, availability, and procurement data for: 5305-01-514-5643
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-514-5643

Item Name Code

18257

Assigment Date

10/29/2003 (22 years ago)

0.272 inches minimum and 0.291 inches maximum head height, 2a thread class, hexagon head style, right-hand thread direction, 1.250 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: 2a
Thread Direction: right-hand
Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.272 inches minimum and 0.291 inches maximum
Width Between Flats: 0.612 inches minimum and 0.625 inches maximum
Nominal Thread Diameter: 0.438 inches
Thread Quantity Per Inch: 14
Minimum Tensile Strength: 128000 pounds per square inch
Material: steel overall
Material Document And Classification: ff-s-85, grade 5 fed spec single material response 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
MS51491-035	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-514-5643?

The FSCG of the NSN 5305-01-514-5643 is 5305

Does the NSN 5305-01-514-5643 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-514-5643 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 5305-01-514-5643 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-514-5643 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 5305-01-514-5643 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Wed, Oct 29, 2003