8028318

View detailed technical data, stock status, and sourcing information for: 8028318
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-366-1139

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

hexagon head style, 0.812 inches minimum thread length, 3a thread class, right-hand thread direction, 0.844 inches minimum and 0.906 inches maximum 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: 0.812 inches minimum
Fastener Length: 0.844 inches minimum and 0.906 inches maximum
Head Style: hexagon
Head Height: 0.365 inches minimum and 0.386 inches maximum
Width Between Flats: 0.737 inches minimum and 0.750 inches maximum
Hole Diameter: 0.101 inches nominal
Nominal Thread Diameter: 0.500 inches
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 20
Hole Configuration Style: hexagon flats
Material: steel comp 1025 overall
Thread Series Designator: unf

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
8028318	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-366-1139?

The FSCG of the NSN 5305-00-366-1139 is 5305

Does the NSN 5305-00-366-1139 have a Schedule B code assigned?

Yes, the Schedule B code is 7115900000

Does NSN 5305-00-366-1139 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 5305-00-366-1139 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-366-1139 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 5305-00-366-1139 was assigned to the Federal Catalog?

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