5310-01-397-5491

Find complete technical information, availability, and procurement data for: 5310-01-397-5491
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-397-5491

Item Name Code

14218

Assigment Date

10/13/1994 (31 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.)

0.05 millimeters nominal material thickness, 45.0 rockwell c minimum and 51.0 rockwell c maximum hardness rating, 8.66 millimeters maximum outside diameter, 5.08 millimeters minimum and 5.26 millimeters maximum hole diameter, steel comp 1060 overall material

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 5.08 millimeters minimum and 5.26 millimeters maximum
Outside Diameter: 8.66 millimeters maximum
Material Thickness: 0.05 millimeters nominal
Hardness Rating: 45.0 rockwell c minimum and 51.0 rockwell c maximum
Material: steel comp 1060 overall
Surface Treatment: phosphate overall
Style Designator: split helical-right hand

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
11500219	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-397-5491?

The FSCG of the NSN 5310-01-397-5491 is 5310

Does the NSN 5310-01-397-5491 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-397-5491 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 5310-01-397-5491 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-397-5491 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 5310-01-397-5491 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Thu, Oct 13, 1994