5310-00-255-5204

Find complete technical information, availability, and procurement data for: 5310-00-255-5204
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-255-5204

Item Name Code

13393

Assigment Date

06/20/1973 (53 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.)

rectangular cross-sectional shape style, round peripheral shape style, 0.125 inches nominal thickness, round center hole shape style, 0.656 inches nominal hole diameter

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.656 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.125 inches nominal
Overall Diameter: 1.375 inches nominal
Features Provided: casehardened
Color: black overall
Material: steel comp 1213 overall
Material Document And Classification: aisi assn std single material response overall
Surface Treatment: oxide film overall
Surface Treatment Document And Classification: mil-c-13924 mil spec 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
3780007-2-14	Flat Washer
CL3FW	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-255-5204?

The FSCG of the NSN 5310-00-255-5204 is 5310

Does the NSN 5310-00-255-5204 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-255-5204 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 5310-00-255-5204 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-255-5204 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 5310-00-255-5204 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Jun 20, 1973