5305-00-531-9643

Find complete technical information, availability, and procurement data for: 5305-00-531-9643
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-531-9643

Item Name Code

06672

Assigment Date

01/01/1960 (66 years ago)

0.656 inches nominal fastener length, flat countersunk head style, 0.551 inches maximum thread length, right-hand thread direction, 3a thread class

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: 0.551 inches maximum
Fastener Length: 0.656 inches nominal
Head Style: flat countersunk
Head Diameter: 0.447 inches minimum and 0.507 inches maximum
Point Length: 0.293 inches nominal
Point Diameter: 0.196 inches nominal
Point Style: dog
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 36.0 rockwell c maximum overall
Countersink Angle: 100.0 degrees nominal
Material: steel comp 8630 overall
Material Document And Classification: mil-s-6050 mil spec single material response or an-s-9 assn std single material response overall
Surface Treatment: cadmium overall
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
55A83B9	Setscrew
7132976	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-531-9643?

The FSCG of the NSN 5305-00-531-9643 is 5305

Does the NSN 5305-00-531-9643 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-531-9643 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 5305-00-531-9643 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-531-9643 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 5305-00-531-9643 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960