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Variable Attenuator NSN 5985-00-938-1149

Item Description

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).

NSN 5985-00-938-1149 NSN: 5985-00-938-1149

Features and Characteristics

Application Design
Audio
Body Style
Cylindrical w/rear terminals
Overall Length
2.406 inches
Body Diameter
1.156 inches
Shaft Diameter
0.250 inches
Bushing Length
0.375 inches
Shaft Length
0.500 inches
Body Length
1.906 inches
Overall Diameter
1.291 inches
Schematic Diagram Designator
"t"
Operating Tempurature Range
-55.0/+120.0 degrees celsius
Power Rating
2.25 watts average
Mounting Facility Screw Thread Series Designator
Unef
Overall Attenuation Range In Decibels
+0.0/+67.0
Attenuation Variation Method
Continuous
Mounting Facility Type And Quantity
1 threaded bushing
Frequency Range
Between 0.000 hertz and 20.000 kilohertz
Overall Attenuation Accuracy In Decibels
-6.70/+6.70
Mounting Thread Quantity
32 per inch
Adjustment Device Type And Quantity
1 shaft
Shaft Type
Round
Mounting Facility Screw Thread Diameter
0.375 inches
Impedance Rating In Ohms
2000.0 input-output
Test Data Document
03538-77c707830 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity
6 tab, solder lug
FSC
5985 Related Equipment Waveguides Antennas
NIIN
009381149
NSN
5985009381149

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
JJJL93555
Cage Code:
01121
Status:
A
MSDS:
Part Number:
77C707830-2
Cage Code:
03538
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8529109000
  • NAICS: 334220
  • SITC: 76493
  • Description: Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi
  • End Use (Code 21400):
    Telecommunications equipment

Q & A

Frequently asked questions for NSN 5985-00-938-1149
What are the manufacturers of nsn 5985009381149?
Does this nsn 5985009381149 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5985009381149
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).
Does nsn 5985009381149 contain any precious metals?
Precious metal content is unknown.
Does nsn 5985009381149 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5985009381149?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
00838
FIIG:
A223A0
App. Key:
A
Cond. Code:
1
Status:
A

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