5305-00-290-3251

Find complete technical information, availability, and procurement data for: 5305-00-290-3251
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-290-3251

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.425 inches minimum thread length, 2a thread class, flat countersunk head style, 0.500 inches nominal fastener length, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.425 inches minimum
Fastener Length: 0.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.232 inches minimum and 0.252 inches maximum
Internal Drive Style: slot
Minimum Tensile Strength: 60000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel
Screw Material Document And Classification: qq-s-634 fed spec single material response or qq-s-637 fed spec single material response or 66 fed std single material response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 4s style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-579-5560	No Name Available	01/20/1966

FAQs

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

What is the FSCG of the NSN 5305-00-290-3251?

The FSCG of the NSN 5305-00-290-3251 is 5305

Does the NSN 5305-00-290-3251 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-290-3251 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 5305-00-290-3251 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-290-3251 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 5305-00-290-3251 was assigned to the Federal Catalog?

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