5305-00-580-0859

Find complete technical information, availability, and procurement data for: 5305-00-580-0859
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-580-0859

Item Name Code

16282

Assigment Date

03/23/1972 (54 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.250 inches nominal thread length, button head style, 0.312 inches nominal fastener length, right-hand thread direction, 2a thread class

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: 0.250 inches nominal
Fastener Length: 0.312 inches nominal
Head Style: button
Head Diameter: 0.250 inches minimum and 0.262 inches maximum
Head Height: 0.063 inches minimum and 0.073 inches maximum
Locking Feature: pellet threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.078 inches nominal
Thread Quantity Per Inch: 32
Hardness Rating: 28.0 rockwell c minimum and 34.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: nickel 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
S63FS632-5N	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-580-0859?

The FSCG of the NSN 5305-00-580-0859 is 5305

Does the NSN 5305-00-580-0859 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-580-0859 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 5305-00-580-0859 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-580-0859 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 5305-00-580-0859 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Thu, Mar 23, 1972