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)

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