5305-00-857-2521

Find complete technical information, availability, and procurement data for: 5305-00-857-2521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-857-2521

Item Name Code

06657

Assigment Date

01/01/1962 (64 years ago)

0.573 inches minimum and 0.635 inches maximum thread length, hexagon head style, 3a thread class, right-hand thread direction, 0.615 inches minimum and 0.635 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: 0.573 inches minimum and 0.635 inches maximum
Fastener Length: 0.615 inches minimum and 0.635 inches maximum
Head Style: hexagon
Head Height: 0.146 inches minimum and 0.166 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Hardness Rating: 32.0 rockwell c minimum and 36.0 rockwell c maximum
Screw Material: steel comp 601
Screw Material Document And Classification: ams 6304 assn std single material response
Screw Surface Treatment: nickel and cadmium
Screw Surface Treatment Document And Classification: ams 2416 assn std all treatment responses
Thread Series Designator: uns

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
MS9316-05	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-857-2521?

The FSCG of the NSN 5305-00-857-2521 is 5305

Does the NSN 5305-00-857-2521 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-857-2521 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 5305-00-857-2521 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-857-2521 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 5305-00-857-2521 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962