5985-01-171-2991

Find complete technical information, availability, and procurement data for: 5985-01-171-2991
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

National Stock Number

5985-01-171-2991

Item Name Code

00838

Assigment Date

02/04/1984 (42 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).

4.500 inches nominal overall length, coaxial type body style, 1.700 inches nominal overall height, transmission line application design, 2.900 inches nominal overall width

Product Characteristics

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

Application Design: transmission line
Body Style: coaxial type
Overall Length: 4.500 inches nominal
Overall Height: 1.700 inches nominal
Overall Width: 2.900 inches nominal
Voltage Standing Wave Ratio: 1.35 and 1.50 and 1.70
Power Rating: 1.0 watts average and 100.0 watts peak
Insertion Loss At Minimum Attenuation In Maximum Decibels: 0.4
Overall Attenuation Range In Decibels: +0.0 to 70.0
Attenuation Variation Method: stepped
Step Position Quantity: 10
Attenuation Per Step In Decibels: 10.0
Mounting Facility Type And Quantity: 1 free standing base
Frequency Range: 0.000 hertz minimum and 18.000 hertz maximum
Adjustment Device Type And Quantity: 1 electronic, programmable
Impedance Rating In Ohms: 50.0 input-output

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
8495H OPTION 003	Variable Attenuator
GE8157T711	Variable Attenuator

FAQs

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

What is the FSCG of the NSN 5985-01-171-2991?

The FSCG of the NSN 5985-01-171-2991 is 5985

Does the NSN 5985-01-171-2991 have a Schedule B code assigned?

Yes, the Schedule B code is 8529109000

Does NSN 5985-01-171-2991 require demilitarization?

Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).

Does NSN 5985-01-171-2991 contain precious materials?

Precious metal content is unknown

Does NSN 5985-01-171-2991 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 5985-01-171-2991 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Feb 4, 1984