5305-00-811-6791

Find complete technical information, availability, and procurement data for: 5305-00-811-6791
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-811-6791

Item Name Code

29294

Assigment Date

01/01/1962 (64 years ago)

0.425 inches minimum thread length, 3a thread class, right-hand thread direction, flat countersunk head style, 0.972 inches minimum and 1.002 inches maximum 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: 0.425 inches minimum
Fastener Length: 0.972 inches minimum and 1.002 inches maximum
Head Style: flat countersunk
Head Diameter: 0.452 inches minimum and 0.510 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.562 inches nominal
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: 16.0 microinches threads
Surface Finish: 63.0 microinches grip
Material: titanium alloy uns r54520 overall
Material Document And Classification: nas621,comp 6al-4v 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-836-0024	No Name Available	10/18/1968

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
NAS664V9	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-811-6791?

The FSCG of the NSN 5305-00-811-6791 is 5305

Does the NSN 5305-00-811-6791 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-00-811-6791 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 5305-00-811-6791 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-811-6791 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 5305-00-811-6791 was assigned to the Federal Catalog?

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