12640956

View detailed technical data, stock status, and sourcing information for: 12640956
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-655-4544

Item Name Code

01857

Assigment Date

05/27/2016 (10 years ago)

hexagon nut style, 2b thread class, right-hand thread direction, 0.747 inches minimum and 0.815 inches maximum nut height, 2.342 inches nominal inside width across flats

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: 0.747 inches minimum and 0.815 inches maximum
Inside Width Across Flats: 2.342 inches nominal
End Item Identification: 4210-01-622-0440;truck,fire fighting; mrap - m-atv
Width Across Flats: 1.994 inches minimum and 2.063 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.380 inches
Bearing Surface Type: washer faced
Part Name Assigned By Controlling Agency: nut,jam
Special Features: material: steel grade 5 per sae j995;finish per fm100: d60,type i (magniblack 575)
Material: steel 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
12640956	Hexagon Plain Nut
4168471	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-655-4544?

The FSCG of the NSN 5310-01-655-4544 is 5310

Does the NSN 5310-01-655-4544 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-655-4544 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 5310-01-655-4544 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-655-4544 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 5310-01-655-4544 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Fri, May 27, 2016