201426A

View detailed technical data, stock status, and sourcing information for: 201426A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-605-5259

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

0.375 inches nominal nut height, right-hand thread direction, 0.625 inches nominal width across flats, hexagon nut style, 2b 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: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.375 inches nominal
Width Across Flats: 0.625 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.438 inches
Bearing Surface Type: washer faced
Material: steel overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-033-5321	No Name Available	08/01/1986
5310-00-582-9919	No Name Available	07/01/1997

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
1500-04323	Hexagon Plain Nut
201426A	Hexagon Plain Nut
201672C	Hexagon Plain Nut
845A	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-605-5259?

The FSCG of the NSN 5310-00-605-5259 is 5310

Does the NSN 5310-00-605-5259 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-605-5259 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 5310-00-605-5259 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-605-5259 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 5310-00-605-5259 was assigned to the Federal Catalog?

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