5305-00-591-3458

Find complete technical information, availability, and procurement data for: 5305-00-591-3458
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-591-3458

Item Name Code

18257

Assigment Date

01/01/1961 (65 years ago)

hexagon head style, 1.000 inches nominal thread length, right-hand thread direction, 2a thread class, 1.000 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
Thread Length: 1.000 inches nominal
Fastener Length: 1.000 inches nominal
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 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: 100.0 rockwell b maximum overall
Minimum Yield Strength: 69000 pounds per square inch
Material: steel overall
Surface Treatment: phosphate 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
MS35293-109	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-591-3458?

The FSCG of the NSN 5305-00-591-3458 is 5305

Does the NSN 5305-00-591-3458 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-591-3458 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 5305-00-591-3458 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-591-3458 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 5305-00-591-3458 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961