6643035PT5

View detailed technical data, stock status, and sourcing information for: 6643035PT5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-177-1291

Item Name Code

01857

Assigment Date

11/07/1969 (56 years ago)

0.609 inches nominal nut height, 2b thread class, hexagon nut style, right-hand thread direction, 1.062 inches nominal width across flats

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.609 inches nominal
Width Across Flats: 1.062 inches nominal
Temp Rating: 850.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 11
Nominal Thread Size: 0.625 inches
Bearing Surface Type: washer faced
Bearing Surface Finish: 63.0 microinches
Material: steel overall
Material Document And Classification: c50a-400 gr 2h fscm 01289 mfr ref single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-395-4278	No Name Available	04/01/1991

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
006643035-5	Hexagon Plain Nut
3215857PT5	Hexagon Plain Nut
6643035PC5	Hexagon Plain Nut
6643035PT5	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-177-1291?

The FSCG of the NSN 5310-00-177-1291 is 5310

Does the NSN 5310-00-177-1291 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-177-1291 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 5310-00-177-1291 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-177-1291 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 5310-00-177-1291 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Nov 7, 1969