5340-00-839-1630

Find complete technical information, availability, and procurement data for: 5340-00-839-1630
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-839-1630

Item Name Code

20251

Assigment Date

12/19/1966 (59 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.)

0.065 inches nominal material thickness, 0.531 inches nominal tongue width, 0.628 inches nominal overall width, 0.252 inches nominal tongue length, 0.625 inches nominal overall length

Product Characteristics

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

Overall Length: 0.625 inches nominal
Overall Width: 0.628 inches nominal
Material Thickness: 0.065 inches nominal
Tongue Width: 0.531 inches nominal
Tongue Length: 0.252 inches nominal
First Surface Hole Quantity: 2
First Surface Hole Size: 0.144 inches nominal
Height: 0.313 inches nominal
Material: steel comp 1010 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
373MS065P001	Catch Strike
821998-00	Catch Strike
SB83314	Catch Strike

FAQs

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

What is the FSCG of the NSN 5340-00-839-1630?

The FSCG of the NSN 5340-00-839-1630 is 5340

Does the NSN 5340-00-839-1630 have a Schedule B code assigned?

Yes, the Schedule B code is 8302497500

Does NSN 5340-00-839-1630 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 5340-00-839-1630 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-839-1630 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-00-839-1630 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Dec 19, 1966