5305-00-688-0254

Find complete technical information, availability, and procurement data for: 5305-00-688-0254
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-688-0254

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

3a thread class, right-hand thread direction, 0.289 inches minimum and 0.453 inches maximum thread length, 1.469 inches minimum and 1.531 inches maximum fastener length, round extended washer 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: 0.289 inches minimum and 0.453 inches maximum
Fastener Length: 1.469 inches minimum and 1.531 inches maximum
Head Style: round extended washer
Head Diameter: 0.427 inches minimum and 0.447 inches maximum
Head Height: 0.096 inches minimum and 0.106 inches maximum
Extended Washer Diameter: 0.490 inches minimum and 0.510 inches maximum
Extended Washer Thickness: 0.028 inches minimum and 0.033 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 62000 pounds per square inch
Screw Material: aluminum alloy 2024
Screw Material Document And Classification: qq-a-200/3 fed spec single material response or qq-a-225/6 fed spec single material response
Screw Surface Treatment: anodize
Screw Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-685-2541	No Name Available	01/01/1960

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
AN525D416R24	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-688-0254?

The FSCG of the NSN 5305-00-688-0254 is 5305

Does the NSN 5305-00-688-0254 have a Schedule B code assigned?

Yes, the Schedule B code is 7616106000

Does NSN 5305-00-688-0254 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 5305-00-688-0254 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-688-0254 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 5305-00-688-0254 was assigned to the Federal Catalog?

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