228008-1

View detailed technical data, stock status, and sourcing information for: 228008-1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

National Stock Number

5985-00-087-6251

Item Name Code

00838

Assigment Date

05/02/1967 (59 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).

coaxial type body style, 2.562 inches nominal overall height, 3.312 inches nominal overall length, 1.875 inches nominal overall width, waveguide application design

Product Characteristics

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

Application Design: waveguide
Body Style: coaxial type
Overall Length: 3.312 inches nominal
Overall Height: 2.562 inches nominal
Overall Width: 1.875 inches nominal
Shaft Diameter: 0.250 inches nominal
Shaft Length: 0.730 inches nominal
Distance Between Mounting Facility Centers: 1.125 inches nominal
Operating Temp Range: +0.0 to 55.0 celsius
Coaxial Connector Series Designation: bnc
Power Rating: 1.0 watts average
Mounting Facility Screw Thread Series Designator: unc
Overall Attenuation Range In Decibels: +0.0 to 10.0
Attenuation Variation Method: stepped
Step Position Quantity: 10
Attenuation Per Step In Decibels: 1.0
Mounting Facility Type And Quantity: 2 threaded hole
Frequency Range: 0.000 gigahertz minimum and 2.000 gigahertz maximum
Overall Attenuation Accuracy In Decibels: -0.30 to 0.30
Mounting Thread Quantity: 32 per inch
Body Material: aluminum
Adjustment Device Type And Quantity: 1 shaft
Mounting Facility Pattern: two position in-line
Shaft Type: round
Mounting Facility Nominal Screw Thread Diameter: 0.164 inches
Impedance Rating In Ohms: 50.0 input
Terminal Type And Quantity: 2 connector, coaxial, female

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
228008-1	Variable Attenuator

FAQs

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

What is the FSCG of the NSN 5985-00-087-6251?

The FSCG of the NSN 5985-00-087-6251 is 5985

Does the NSN 5985-00-087-6251 have a Schedule B code assigned?

Yes, the Schedule B code is 8529109000

Does NSN 5985-00-087-6251 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 5985-00-087-6251 contain precious materials?

Precious metal content is unknown

Does NSN 5985-00-087-6251 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 5985-00-087-6251 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, May 2, 1967