5305-00-285-5178

Find complete technical information, availability, and procurement data for: 5305-00-285-5178
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-285-5178

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

1.219 inches minimum and 1.281 inches maximum fastener length, hexagon head style, right-hand thread direction, 2a thread class, 1.156 inches minimum and 1.281 inches maximum thread 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: 1.156 inches minimum and 1.281 inches maximum
Fastener Length: 1.219 inches minimum and 1.281 inches maximum
Head Style: hexagon
Head Height: 0.456 inches minimum and 0.481 inches maximum
Width Between Flats: 0.860 inches minimum and 0.875 inches maximum
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Minimum Yield Strength: 85000 pounds per square inch
Material: steel 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
179925	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-285-5178?

The FSCG of the NSN 5305-00-285-5178 is 5305

Does the NSN 5305-00-285-5178 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-285-5178 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 5305-00-285-5178 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-285-5178 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 5305-00-285-5178 was assigned to the Federal Catalog?

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