AL87521PC31

View detailed technical data, stock status, and sourcing information for: AL87521PC31
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-639-4324

Item Name Code

06672

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 3a thread class, 0.562 inches nominal fastener length, headless (setscrew) head style, 0.562 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: 0.562 inches maximum
Fastener Length: 0.562 inches nominal
Head Style: headless (setscrew)
Point Style: half dog
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 16
Criticality Code Justification: zzzy
Material: steel comp 321 overall
Material Document And Classification: qq-s-763 fed spec single material response overall
Thread Series Designator: whitworth
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
AL87521PC31	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-639-4324?

The FSCG of the NSN 5305-00-639-4324 is 5305

Does the NSN 5305-00-639-4324 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-639-4324 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 5305-00-639-4324 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-639-4324 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 5305-00-639-4324 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963