5340-01-139-2711

Find complete technical information, availability, and procurement data for: 5340-01-139-2711
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-139-2711

Item Name Code

29785

Assigment Date

09/28/1982 (43 years ago)

An item which converts electrical current variations into sound waves and which is designed to be placed against the ear or against the opening of the auditory canal. For one or two earphones mounted on a headband, see headset, electrical.

flat cross-sectional shape style, 1.875 inches nominal bolt circle diameter, 0.201 inches minimum and 0.211 inches maximum hole diameter, 2.219 inches nominal outside diameter, round, multi holes 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: flat
Hole Diameter: 0.201 inches minimum and 0.211 inches maximum
Bolt Circle Diameter: 1.875 inches nominal
Outside Diameter: 2.219 inches nominal
Peripheral Shape Style: round, multi holes
Bolt Circle Hole Quantity: 6
Body Thickness: 0.125 inches nominal
Securing Device Type: special
Mounting Opening Shape Style: unthreaded hole
Material: aluminum alloy 6061
Material Document And Classification: qq-a-250/11 fed spec single material response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-c-5541,type 2,gr.c,cl.2 all over mil spec single treatment response

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
2885143	Access Cover

FAQs

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

What is the FSCG of the NSN 5340-01-139-2711?

The FSCG of the NSN 5340-01-139-2711 is 5340

Does the NSN 5340-01-139-2711 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5340-01-139-2711 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 5340-01-139-2711 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-139-2711 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 5340-01-139-2711 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Sep 28, 1982