B118200-7

View detailed technical data, stock status, and sourcing information for: B118200-7
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

National Stock Number

5985-00-256-6391

Item Name Code

00838

Assigment Date

01/01/1963 (63 years ago)

A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also resistor, vaiable (as modified).

audio application design, cylindrical w/side terminals body style, 1.951 inches nominal overall width, 2.375 inches nominal overall length, 1.625 inches nominal body diameter

Product Characteristics

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

Application Design: audio
Body Style: cylindrical w/side terminals
Overall Length: 2.375 inches nominal
Overall Width: 1.951 inches nominal
Body Diameter: 1.625 inches nominal
Shaft Diameter: 0.250 inches nominal
Bushing Length: 0.406 inches nominal
Shaft Length: 2.000 inches nominal
Body Length: 1.875 inches nominal
Schematic Diagram Designator: "bridged "t""
Power Rating: 4.0 watts average
Mounting Facility Screw Thread Series Designator: unef
Overall Attenuation Range In Decibels: +0.0 to 38.0
Attenuation Variation Method: continuous
Mounting Facility Type And Quantity: 1 threaded bushing
Overall Attenuation Accuracy In Decibels: -1.90 to 1.90
Mounting Thread Quantity: 32 per inch
Adjustment Device Type And Quantity: 1 shaft
Shaft Type: round
Mounting Facility Nominal Screw Thread Diameter: 0.375 inches
Impedance Rating In Ohms: 500.0 input-output
Terminal Type And Quantity: 6 tab, solder lug

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
B118200-7	Variable Attenuator

FAQs

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

What is the FSCG of the NSN 5985-00-256-6391?

The FSCG of the NSN 5985-00-256-6391 is 5985

Does the NSN 5985-00-256-6391 have a Schedule B code assigned?

Yes, the Schedule B code is 8529109000

Does NSN 5985-00-256-6391 require demilitarization?

Usml items - mutilation to the point of scrap required worldwide. (note 7).

Does NSN 5985-00-256-6391 contain precious materials?

Precious metal content is unknown

Does NSN 5985-00-256-6391 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 5985-00-256-6391 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963