8656975-1

View detailed technical data, stock status, and sourcing information for: 8656975-1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-057-2773

Item Name Code

00443

Assigment Date

03/09/1978 (48 years ago)

A microphone which depends for its operation upon the generation of an electromotive force by the motion of a moving coil within a magnetic field.

0.321 inches nominal overall length, eighteen to twenty straight knurl teeth,0.070 in. lg by 0.004 in. min to 0.007 in. max deep located at contact end special features, aluminum alloy 1100 body and contact material, 0.146 inches minimum and 0.150 inches maximum overall diameter, force fit mounting method

Product Characteristics

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

Overall Length: 0.321 inches nominal
Overall Diameter: 0.146 inches minimum and 0.150 inches maximum
Mounting Method: force fit
Special Features: eighteen to twenty straight knurl teeth,0.070 in. lg by 0.004 in. min to 0.007 in. max deep located at contact end
Material: aluminum alloy 1100 body and contact
Material Document And Classification: qq-a-561 fed spec single material response body and contact
Precious Material And Location: body and contact surfaces gold
Precious Material And Weight: 0.005 gold grains, troy
Precious Material: gold
Surface Treatment: gold or chromate body and contact
Surface Treatment Document And Classification: mil-c-5541 mil spec single treatment response body and contact
Style Designator: cylindrical shape
Terminal Type And Quantity: 1 crimp and solder end opposite contact

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
28-20005-309	Electrical Contact
462-99-38-181	Electrical Contact
8656975-1	Electrical Contact

FAQs

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

What is the FSCG of the NSN 5999-01-057-2773?

The FSCG of the NSN 5999-01-057-2773 is 5999

Does the NSN 5999-01-057-2773 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907040

Does NSN 5999-01-057-2773 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 5999-01-057-2773 contain precious materials?

Item contains gold.

Does NSN 5999-01-057-2773 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 5999-01-057-2773 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Mar 9, 1978