5310-00-252-4640

Find complete technical information, availability, and procurement data for: 5310-00-252-4640
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-252-4640

Item Name Code

13393

Assigment Date

06/24/1970 (56 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, 0.193 inches minimum and 0.213 inches maximum hole diameter, 0.028 inches minimum and 0.035 inches maximum thickness, round center hole shape style, round peripheral shape style

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: 0.193 inches minimum and 0.213 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.028 inches minimum and 0.035 inches maximum
Overall Diameter: 0.433 inches minimum and 0.458 inches maximum
Material: copper alloy 116 and copper alloy overall
Surface Treatment: cadmium and chromate 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
107006-563	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-252-4640?

The FSCG of the NSN 5310-00-252-4640 is 5310

Does the NSN 5310-00-252-4640 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-252-4640 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 5310-00-252-4640 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-252-4640 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 5310-00-252-4640 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Jun 24, 1970