5305-00-421-4971

Find complete technical information, availability, and procurement data for: 5305-00-421-4971
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-421-4971

Item Name Code

06657

Assigment Date

12/09/1970 (55 years ago)

binding head style, 0.282 inches minimum and 0.375 inches maximum thread length, 0.344 inches minimum and 0.375 inches maximum fastener length, 2a thread class, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.282 inches minimum and 0.375 inches maximum
Fastener Length: 0.344 inches minimum and 0.375 inches maximum
Head Style: binding
Head Diameter: 0.275 inches minimum and 0.290 inches maximum
Head Height: 0.071 inches minimum and 0.087 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: steel comp 304l or steel comp 316l or steel comp 302 or steel comp 347 or steel comp 321 or steel comp 317 or steel comp 316 or steel comp 310 or steel comp 309 or steel comp 305 or steel comp 304
Screw Material Document And Classification: qq-s-763 fed spec all material responses
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: mil-f-14072,finish e300 mil spec single treatment response
Thread Series Designator: unc

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
2074099-3405	Machine Screw
5L3023-001-35	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-421-4971?

The FSCG of the NSN 5305-00-421-4971 is 5305

Does the NSN 5305-00-421-4971 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-421-4971 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 5305-00-421-4971 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-421-4971 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 5305-00-421-4971 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 9, 1970