5310-00-631-5293

Find complete technical information, availability, and procurement data for: 5310-00-631-5293
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-631-5293

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

0.188 inches nominal width across flats, 0.375 inches nominal nut height, hexagon nut style, 2b thread class, 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: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.375 inches nominal
Width Across Flats: 0.188 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.112 inches
Countersink Angle: 60.0 degrees nominal nut
Bearing Surface Type: flat
Material: copper alloy 360 overall
Material Document And Classification: qq-b-626 1/2 h fed spec 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Below is a list of NSNs that have been officially superseded by this NSN: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
5821-00-506-7314	No Name Available	06/01/1970

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
500-6218-001	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-631-5293?

The FSCG of the NSN 5310-00-631-5293 is 5310

Does the NSN 5310-00-631-5293 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-631-5293 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 5310-00-631-5293 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-631-5293 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 5310-00-631-5293 was assigned to the Federal Catalog?

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