5305-01-518-3859

Find complete technical information, availability, and procurement data for: 5305-01-518-3859
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-518-3859

Item Name Code

06657

Assigment Date

03/10/2004 (22 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

flat countersunk head style, 0.347 inches minimum and 0.393 inches maximum thread length, right-hand thread direction, 0.735 inches minimum and 0.782 inches maximum fastener length, 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: 0.347 inches minimum and 0.393 inches maximum
Fastener Length: 0.735 inches minimum and 0.782 inches maximum
Head Style: flat countersunk
Head Height: 0.108 inches minimum and 0.118 inches maximum
Internal Drive Style: cross recess type ii
End Item Identification: 1b-52 acft
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 99.5 degrees minimum and 100.5 degrees maximum
Part Name Assigned By Controlling Agency: screw,special
Screw Material: steel comp 8630
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: an-p-61 fed spec single treatment response
Special Features: altered item dwg,head dia. before altered is 0.502
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
3-53549	Machine Screw
3-53549-2	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-518-3859?

The FSCG of the NSN 5305-01-518-3859 is 5305

Does the NSN 5305-01-518-3859 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-518-3859 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 5305-01-518-3859 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-518-3859 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 5305-01-518-3859 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Wed, Mar 10, 2004