343-0289-000

View detailed technical data, stock status, and sourcing information for: 343-0289-000
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-207-0278

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

pan head style, 2a thread class, 0.450 inches minimum and 0.500 inches maximum thread length, 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: 0.450 inches minimum and 0.500 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: pan
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.070 inches minimum and 0.080 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 55000 pounds per square inch
Screw Material: copper alloy
Screw Material Document And Classification: qq-b-613 fed spec single material response or qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
Screw Surface Treatment: nickel
Screw Surface Treatment Document And Classification: qq-n-290,class 1,type 7 fed spec single treatment response
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
343-0289-00	Machine Screw
343-0289-000	Machine Screw
P343-0289-00	Machine Screw
P343-0289-000	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-207-0278?

The FSCG of the NSN 5305-00-207-0278 is 5305

Does the NSN 5305-00-207-0278 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-207-0278 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 5305-00-207-0278 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-207-0278 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 5305-00-207-0278 was assigned to the Federal Catalog?

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