5305-00-579-4259

Find complete technical information, availability, and procurement data for: 5305-00-579-4259
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-579-4259

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

3a thread class, 1.000 inches nominal thread length, 1.625 inches nominal fastener length, right-hand thread direction, flat chamfer 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 Class: 3a
Thread Direction: right-hand
Thread Length: 1.000 inches nominal
Fastener Length: 1.625 inches nominal
Head Style: flat chamfer
Head Diameter: 0.375 inches nominal
Head Height: 0.250 inches nominal
Hole Diameter: 0.062 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches nominal
Hole Quantity: 2
Hole Type: drilled
Thread Quantity Per Inch: 20
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength: 140000 pounds per square inch
Hole Configuration Style: round
Material: steel comp 4135 or steel comp 4137 or steel comp 8640 overall
Material Document And Classification: qq-s-624 fed spec all material responses 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
514006PC2	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-579-4259?

The FSCG of the NSN 5305-00-579-4259 is 5305

Does the NSN 5305-00-579-4259 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-579-4259 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 5305-00-579-4259 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-579-4259 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 5305-00-579-4259 was assigned to the Federal Catalog?

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