5305-01-490-2981

Find complete technical information, availability, and procurement data for: 5305-01-490-2981
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-490-2981

Item Name Code

33044

Assigment Date

09/25/2001 (24 years ago)

"a fastening device formed from resilient wire stock into a shape resembling the letter "u", of which at least one of the prongs is straight for insertion into a hole; the other prong may have one or more curvatures along its length. It is designed to hold itself in place by its inherent spring action. See also clip, retaining and ring, retaining."

0.625 inches nominal fastener length, 0.244 inches minimum and 0.250 inches maximum head height, hexagon head style, right-hand thread direction, 3a thread class

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
Fastener Length: 0.625 inches nominal
Head Style: hexagon
Head Height: 0.244 inches minimum and 0.250 inches maximum
Width Between Flats: 0.367 inches minimum and 0.375 inches maximum
Internal Drive Style: hexagon
End Item Identification: f-22 raptor
Material Accommodated Thickness: 0.250 inches nominal
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 28
Part Name Assigned By Controlling Agency: screw
Material: iron alloy 660 overall
Surface Treatment: passivate overall
Thread Series Designator: unjf

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
CA2290-4-8-10	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-490-2981?

The FSCG of the NSN 5305-01-490-2981 is 5305

Does the NSN 5305-01-490-2981 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-490-2981 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 5305-01-490-2981 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-490-2981 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 5305-01-490-2981 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Tue, Sep 25, 2001