5305-01-159-6558

Find complete technical information, availability, and procurement data for: 5305-01-159-6558
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-159-6558

Item Name Code

06657

Assigment Date

08/11/1983 (42 years ago)

flat chamfer head style, 0.190 inches nominal fastener length, 3a thread class, right-hand thread direction, 0.155 inches minimum and 0.190 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: 3a
Thread Direction: right-hand
Thread Length: 0.155 inches minimum and 0.190 inches maximum
Fastener Length: 0.190 inches nominal
Head Style: flat chamfer
Head Diameter: 0.369 inches minimum and 0.372 inches maximum
Head Height: 0.060 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Screw Material: steel comp 302 or steel comp 303 or steel comp 304
Screw Material Document And Classification: aisi assn std all material responses
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
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
3183201	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-159-6558?

The FSCG of the NSN 5305-01-159-6558 is 5305

Does the NSN 5305-01-159-6558 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-159-6558 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 5305-01-159-6558 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-159-6558 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 5305-01-159-6558 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Aug 11, 1983