2051981

View detailed technical data, stock status, and sourcing information for: 2051981
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-619-6448

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 1.000 inches nominal fastener length, hexagon head style, 1.000 inches maximum thread length, 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
Thread Length: 1.000 inches maximum
Fastener Length: 1.000 inches nominal
Head Style: hexagon
Head Height: 0.125 inches nominal
Width Between Flats: 0.250 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: steel comp 303 or steel comp 303se
Screw Material Document And Classification: mil-s-7720 mil spec 1st material response or mil-s-18732 mil spec 2nd material response
Screw Surface Treatment: passivate
Thread Series Designator: unc

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
2051981	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-619-6448?

The FSCG of the NSN 5305-00-619-6448 is 5305

Does the NSN 5305-00-619-6448 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-619-6448 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 5305-00-619-6448 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-619-6448 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 5305-00-619-6448 was assigned to the Federal Catalog?

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