5305-00-720-8339

Find complete technical information, availability, and procurement data for: 5305-00-720-8339
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-720-8339

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

3a thread class, 0.291 inches minimum and 0.341 inches maximum thread length, 2.051 inches minimum and 2.081 inches maximum fastener length, right-hand thread direction, pan head style

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: 0.291 inches minimum and 0.341 inches maximum
Fastener Length: 2.051 inches minimum and 2.081 inches maximum
Head Style: pan
Head Diameter: 0.473 inches minimum and 0.492 inches maximum
Head Height: 0.162 inches minimum and 0.175 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material: steel comp 4140 or steel comp e4340 or steel comp 8740
Screw Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas623 professional/industrial association standard

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
5305PL1020216	Machine Screw
NAS623-4-28	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-720-8339?

The FSCG of the NSN 5305-00-720-8339 is 5305

Does the NSN 5305-00-720-8339 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-720-8339 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 5305-00-720-8339 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-720-8339 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 5305-00-720-8339 was assigned to the Federal Catalog?

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