5305-00-811-6590

Find complete technical information, availability, and procurement data for: 5305-00-811-6590
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-811-6590

Item Name Code

29294

Assigment Date

01/01/1962 (64 years ago)

3a thread class, flat countersunk head style, 0.849 inches minimum and 0.879 inches maximum fastener length, right-hand thread direction, 0.401 inches minimum and 0.451 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: 0.401 inches minimum and 0.451 inches maximum
Fastener Length: 0.849 inches minimum and 0.879 inches maximum
Head Style: flat countersunk
Head Diameter: 0.464 inches minimum and 0.507 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.428 inches minimum and 0.448 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: titanium alloy overall
Material Document And Classification: nas621 comp 6al4v assn std single material response overall
Thread Series Designator: unf
Specification/Standard Data: 80205-nas664 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-836-0021	No Name Available	09/21/1966

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
NAS664V7	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-811-6590?

The FSCG of the NSN 5305-00-811-6590 is 5305

Does the NSN 5305-00-811-6590 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-00-811-6590 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 5305-00-811-6590 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-811-6590 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 5305-00-811-6590 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962