1979451

View detailed technical data, stock status, and sourcing information for: 1979451
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-118-2476

Item Name Code

04889

Assigment Date

08/30/1981 (44 years ago)

A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.

right-hand thread direction, 0.400 inches minimum and 0.405 inches maximum overall height, 2b thread class, 0.840 inches minimum and 0.860 inches maximum washer outside diameter, hexagon nut style

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
Washer Outside Diameter: 0.840 inches minimum and 0.860 inches maximum
Overall Height: 0.400 inches minimum and 0.405 inches maximum
Nut Style: hexagon
Washer Thickness: 0.110 inches minimum and 0.145 inches maximum
End Item Identification: mrap buffalo mk2a2
Width Across Flats: 0.736 inches minimum and 0.750 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 13
Nominal Thread Size: 0.500 inches
Material: steel overall
Material Document And Classification: gm 286-m,fscm 16764 mfr ref single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: gm 4342-m,code 20d72,fscm 16764 mfr ref single treatment 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
1979451	Nut,plain,extended Washer,hexago
2AG174	Nut,plain,extended Washer,hexago
5310011182476	Nut,plain,extended Washer,hexago
A47890	Nut,plain,extended Washer,hexago

FAQs

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

What is the FSCG of the NSN 5310-01-118-2476?

The FSCG of the NSN 5310-01-118-2476 is 5310

Does the NSN 5310-01-118-2476 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-118-2476 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 5310-01-118-2476 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-118-2476 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 5310-01-118-2476 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Aug 30, 1981