5305-00-558-9243

Find complete technical information, availability, and procurement data for: 5305-00-558-9243
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-558-9243

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

2.719 inches nominal fastener length, flat countersunk head style, 0.531 inches minimum thread length, right-hand thread direction, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.531 inches minimum
Fastener Length: 2.719 inches nominal
Head Style: flat countersunk
Head Diameter: 0.497 inches minimum and 0.507 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.157 inches minimum and 0.159 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 180000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Material: steel comp 431 overall
Material Document And Classification: mil-s-18732 mil spec single material response overall
Surface Treatment: passivate head
Surface Treatment: passivate threads
Surface Treatment: chromium grip
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
2447158-503	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-558-9243?

The FSCG of the NSN 5305-00-558-9243 is 5305

Does the NSN 5305-00-558-9243 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-558-9243 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 5305-00-558-9243 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-558-9243 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 5305-00-558-9243 was assigned to the Federal Catalog?

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