636401-000

View detailed technical data, stock status, and sourcing information for: 636401-000
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-206-3774

Item Name Code

06657

Assigment Date

01/01/1960 (66 years ago)

0.250 inches nominal fastener length, binding head style, right-hand thread direction, 0.250 inches maximum thread length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.250 inches maximum
Fastener Length: 0.250 inches nominal
Head Style: binding
Head Diameter: 0.164 inches minimum and 0.176 inches maximum
Head Height: 0.055 inches minimum and 0.065 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Screw Material: steel corrosion resisting
Screw Surface Treatment: nickel
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
343-0072-00	Machine Screw
343-0072-000	Machine Screw
636401-000	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-206-3774?

The FSCG of the NSN 5305-00-206-3774 is 5305

Does the NSN 5305-00-206-3774 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-206-3774 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 5305-00-206-3774 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-206-3774 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 5305-00-206-3774 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960