5305-00-421-9247

Find complete technical information, availability, and procurement data for: 5305-00-421-9247
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-421-9247

Item Name Code

06657

Assigment Date

12/23/1970 (55 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, 0.578 inches minimum and 0.609 inches maximum fastener length, 3a thread class, 0.359 inches minimum and 0.391 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: 0.359 inches minimum and 0.391 inches maximum
Fastener Length: 0.578 inches minimum and 0.609 inches maximum
Head Style: hexagon
Head Height: 0.047 inches minimum and 0.078 inches maximum
Width Between Flats: 0.234 inches minimum and 0.266 inches maximum
Nominal Thread Diameter: 0.138 inches
Features Provided: casehardened
Thread Quantity Per Inch: 40
Screw Material: steel
Screw Surface Treatment: nickel
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
4001388	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-421-9247?

The FSCG of the NSN 5305-00-421-9247 is 5305

Does the NSN 5305-00-421-9247 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-421-9247 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 5305-00-421-9247 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-421-9247 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 5305-00-421-9247 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 23, 1970