5305-00-476-4306

Find complete technical information, availability, and procurement data for: 5305-00-476-4306
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-476-4306

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

flat countersunk head style, 0.531 inches minimum thread length, right-hand thread direction, 0.828 inches minimum and 0.875 inches maximum fastener length, 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: 0.531 inches minimum
Fastener Length: 0.828 inches minimum and 0.875 inches maximum
Head Style: flat countersunk
Head Diameter: 0.463 inches minimum and 0.515 inches maximum
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 32.0 rockwell c maximum
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel
Screw Surface Treatment: cadmium
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
BAC1468-428-12S	Machine Screw
BACB30R428-12S	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-476-4306?

The FSCG of the NSN 5305-00-476-4306 is 5305

Does the NSN 5305-00-476-4306 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-476-4306 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 5305-00-476-4306 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-476-4306 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 5305-00-476-4306 was assigned to the Federal Catalog?

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