5310-00-326-6649

Find complete technical information, availability, and procurement data for: 5310-00-326-6649
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-326-6649

Item Name Code

04889

Assigment Date

01/01/1963 (63 years ago)

1.820 inches nominal washer outside diameter, right-hand thread direction, 3b thread class, hexagon nut style, 0.260 inches nominal overall height

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Washer Outside Diameter: 1.820 inches nominal
Overall Height: 0.260 inches nominal
Nut Style: hexagon
Washer Thickness: 0.100 inches nominal
Width Across Flats: 1.614 inches minimum and 1.625 inches maximum
Thread Series: un
Thread Quantity Per Inch: 16
Hardness Rating: 19.0 rockwell c minimum and 26.0 rockwell c maximum
Nominal Thread Size: 1.438 inches
Countersink Angle: 90.0 degrees nominal first end
Part Name Assigned By Controlling Agency: navy special project
Special Features: three equally spaced lugs on nut 0.240 in. mon hght with drilled holes 0.100 in nom dia
Material: steel overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2810-00-440-4233	No Name Available	01/01/1963

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
134123	Nut,plain,extended Washer,hexago

FAQs

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

What is the FSCG of the NSN 5310-00-326-6649?

The FSCG of the NSN 5310-00-326-6649 is 5310

Does the NSN 5310-00-326-6649 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-326-6649 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 5310-00-326-6649 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-326-6649 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 5310-00-326-6649 was assigned to the Federal Catalog?

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