5305-01-531-5580

Find complete technical information, availability, and procurement data for: 5305-01-531-5580
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-531-5580

Item Name Code

18257

Assigment Date

07/14/2005 (21 years ago)

0.654 inches minimum and 0.860 inches maximum fastener length, 0.750 inches nominal thread length, 0.096 inches minimum and 0.110 inches maximum head height, right-hand thread direction, hexagon extended washer head style

Product Characteristics

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

Thread Direction: right-hand
Thread Length: 0.750 inches nominal
Fastener Length: 0.654 inches minimum and 0.860 inches maximum
Head Style: hexagon extended washer
Head Height: 0.096 inches minimum and 0.110 inches maximum
Width Between Flats: 0.244 inches minimum and 0.250 inches maximum
Extended Washer Diameter: 0.322 inches minimum and 0.348 inches maximum
Extended Washer Thickness: 0.019 inches minimum and 0.031 inches maximum
End Item Identification: 6115-01-296-1463; generator set,diesel engine
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 60000 pounds per square inch
Part Name Assigned By Controlling Agency: screw, hex washerhead
Material: steel overall
Surface Treatment: zinc 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
88-20260-13	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-531-5580?

The FSCG of the NSN 5305-01-531-5580 is 5305

Does the NSN 5305-01-531-5580 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-531-5580 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 5305-01-531-5580 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-531-5580 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 5305-01-531-5580 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Thu, Jul 14, 2005