5310-01-666-3299

Find complete technical information, availability, and procurement data for: 5310-01-666-3299
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-666-3299

Item Name Code

01857

Assigment Date

09/01/2017 (8 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.)

0.458 inches minimum and 0.510 inches maximum nut height, 2b thread class, right-hand thread direction, mrap - m-atv end item identification, 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
Nut Style: hexagon
Nut Height: 0.458 inches minimum and 0.510 inches maximum
End Item Identification: mrap - m-atv
Width Across Flats: 1.269 inches minimum and 1.315 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 14
Nominal Thread Size: 0.88 inches
Bearing Surface Type: flat
Part Name Assigned By Controlling Agency: nut, jam .08 - 14 g2 mb
Material: steel overall
Surface Treatment: phosphate zinc 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
4177296	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-666-3299?

The FSCG of the NSN 5310-01-666-3299 is 5310

Does the NSN 5310-01-666-3299 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-666-3299 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 5310-01-666-3299 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-666-3299 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 5310-01-666-3299 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Fri, Sep 1, 2017