5305-00-931-8568

Find complete technical information, availability, and procurement data for: 5305-00-931-8568
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-931-8568

Item Name Code

06657

Assigment Date

09/28/1966 (59 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

hexagon head style, right-hand thread direction, 3a thread class, 0.490 inches minimum and 0.510 inches maximum thread length, 0.490 inches minimum and 0.510 inches maximum fastener 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: 0.490 inches minimum and 0.510 inches maximum
Fastener Length: 0.490 inches minimum and 0.510 inches maximum
Head Style: hexagon
Head Height: 0.110 inches minimum and 0.130 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Hardness Rating: 30.0 rockwell c minimum and 38.0 rockwell c maximum
Criticality Code Justification: cyau
Screw Material: steel comp 601
Screw Material Document And Classification: ams 6304 assn std single material response
Screw Surface Treatment: nickel and cadmium
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
545962	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-931-8568?

The FSCG of the NSN 5305-00-931-8568 is 5305

Does the NSN 5305-00-931-8568 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-931-8568 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 5305-00-931-8568 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-931-8568 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 5305-00-931-8568 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Sep 28, 1966