5310-00-405-0803

Find complete technical information, availability, and procurement data for: 5310-00-405-0803
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-405-0803

Item Name Code

01857

Assigment Date

04/07/1971 (55 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

2b thread class, right-hand thread direction, hexagon nut style, 0.812 inches nominal width across flats, 0.156 inches nominal nut 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: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.156 inches nominal
Width Across Flats: 0.812 inches nominal
Thread Series: unef
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.625 inches
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: steel comp 304 or steel comp 4140 overall
Material Document And Classification: 66 fed std 1st material response or mil-s-854 mil spec 2nd material response overall

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
2531961	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-405-0803?

The FSCG of the NSN 5310-00-405-0803 is 5310

Does NSN 5310-00-405-0803 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 5310-00-405-0803 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-405-0803 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 5310-00-405-0803 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Apr 7, 1971