5340007521640

View detailed technical data, stock status, and sourcing information for: 5340007521640
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-752-1640

Item Name Code

29785

Assigment Date

01/01/1962 (64 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.)

0.120 inches nominal flange thickness, 4.740 inches nominal inside diameter, circular recess cross-sectional shape style, 0.343 inches nominal hole diameter, 5.124 inches nominal bolt circle 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: circular recess
Inside Diameter: 4.740 inches nominal
Hole Diameter: 0.343 inches nominal
Bolt Circle Diameter: 5.124 inches nominal
Flange Thickness: 0.120 inches nominal
Outside Diameter: 5.750 inches nominal
Peripheral Shape Style: round, multi holes
Bolt Circle Hole Quantity: 6
First Recess Inside Height: 1.375 inches nominal
Inside Corner Radius: 0.375 inches nominal
Body Thickness: 0.120 inches nominal
Securing Device Type: threaded fastener
Mounting Opening Shape Style: unthreaded hole
Material: steel or steel comp 1008 or steel comp 1015

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
1419D	Access Cover
3262E83	Access Cover
5340007521640	Access Cover
7521640	Access Cover

FAQs

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

What is the FSCG of the NSN 5340-00-752-1640?

The FSCG of the NSN 5340-00-752-1640 is 5340

Does the NSN 5340-00-752-1640 have a Schedule B code assigned?

Yes, the Schedule B code is 7326908695

Does NSN 5340-00-752-1640 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 5340-00-752-1640 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-752-1640 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 5340-00-752-1640 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962