5310-01-657-3739

Find complete technical information, availability, and procurement data for: 5310-01-657-3739
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-657-3739

Item Name Code

01857

Assigment Date

08/10/2016 (10 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

hexagon nut style, 2b thread class, 1.120 inches nominal inside width across flats, 0.38 inches nominal nut height, 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: 0.38 inches nominal
Inside Width Across Flats: 1.120 inches nominal
End Item Identification: mrap - m-atv ui w/ogpk; 4210-01-622-0440; 2320-01-652-5218 joint light tactical vehicle (jltv)
Width Across Flats: 1.300 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.75 inches
Bearing Surface Type: flat
Part Name Assigned By Controlling Agency: nut, jam .75 - 16 ns br
Material: copper alloy 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
2514-00029	Hexagon Plain Nut
4244508	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-657-3739?

The FSCG of the NSN 5310-01-657-3739 is 5310

Does the NSN 5310-01-657-3739 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5310-01-657-3739 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 5310-01-657-3739 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-657-3739 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 5310-01-657-3739 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Wed, Aug 10, 2016