PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4208Attenuator,fixed

Smiths Interconnect Americas, Inc. · NSN 5985-01-097-2044 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-097-2044 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-097-2044. Primary manufacturer part number: 4208.
Features
  • Attenuator,fixed — FSC 5985
  • Precious Material: GOLD
  • Connection Type Per Function: FEMALE INPUT AND MALE OUTPUT
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Power Rating: 2.0 WATTS AVERAGE
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 4.0 GIGAHERTZ AND +4.1 TO 12.0 GIGAHERTZ AND +12.1 TO 15.0 GIGAHERTZ AND +15.1 TO 18.0 GIGAHERTZ
  • Material: BERYLLIUM COPPER (USE CUB000) TERMINAL
  • Rf Signal Attenuation in Decibels: 8.0
Applications
  • Applications requiring Beryllium Copper (use Cub000) Terminal construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-097-2044, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Smiths Interconnect Americas, Inc.. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-097-2044
Primary Part Number4208
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSmiths Interconnect Americas, Inc.
StatusACTIVE
Precious MaterialGOLD
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Power Rating2.0 WATTS AVERAGE
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ AND +4.1 TO 12.0 GIGAHERTZ AND +12.1 TO 15.0 GIGAHERTZ AND +15.1 TO 18.0 GIGAHERTZ
MaterialBERYLLIUM COPPER (USE CUB000) TERMINAL
Rf Signal Attenuation in Decibels8.0
Surface TreatmentPASSIVATE BODY
Mounting MethodCONNECTOR
Voltage Standing Wave Ratio1.15 AND 1.25 AND 1.50 AND 1.80
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Terminal Type and Quantity2 CONNECTOR
Coaxial Connector Series DesignationSMA
Overall Diameter0.312 INCHES NOMINAL IN
Output Impedance Rating in Ohms50.0
MaterialSTEEL CORROSION RESISTING BODY
Precious Material and LocationPIN SURFACES GOLD
Input Impedance Rating in Ohms50.0
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Surface TreatmentGOLD TERMINAL
Application DesignTRANSMISSION LINE
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-155-8706 INTERCHANGEABLE
Lamp,incandescent
4730-00-174-4579389 2IN INTERCHANGEABLE
Cap,pipe
Crane Co Div Valve Div
4730-00-278-876460C-5 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Parker-Hannifin Corp Div Fluid System Connector Division
1630-00-347-02914208 INTERCHANGEABLE
Arm Assy,brake Valv
Avox Systems Inc Dba Avox Systems Inc
5930-00-448-747540208-00 INTERCHANGEABLE
Switch,rotary
Taylor Made Environmental
6520-00-547-50104208 INTERCHANGEABLE
Wheel,abrasive
Dedeco International Sales, Inc.
3110-00-554-564800013C INTERCHANGEABLE
Bearing,ball,annular
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5950-00-617-4383SM-B-157965 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6145-01-224-208188723 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5985-01-412-8377AV-22 INTERCHANGEABLE
Antenna
R. a. Miller Industries, Inc. Dba R a Miller Industries Inc
Cross-Reference Index
Part NumberManufacturer
4408 Smiths Interconnect Americas, Inc. (USA)
4208 PRIMARY Smiths Interconnect Americas, Inc. (USA)
Related Parts
6240-00-155-8706INTERCHANGEABLE
LAMP,INCANDESCENT
4730-00-174-4579INTERCHANGEABLE
CAP,PIPE
389 2IN
4730-00-278-8764INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
60C-5
1630-00-347-0291INTERCHANGEABLE
ARM ASSY,BRAKE VALV
4208
5930-00-448-7475INTERCHANGEABLE
SWITCH,ROTARY
40208-00
6520-00-547-5010INTERCHANGEABLE
WHEEL,ABRASIVE
4208
3110-00-554-5648INTERCHANGEABLE
BEARING,BALL,ANNULAR
00013C
5950-00-617-4383INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-B-157965
6145-01-224-2081INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
88723
5985-01-412-8377INTERCHANGEABLE
ANTENNA
AV-22
5985-01-437-7305INTERCHANGEABLE
ANTENNA ELEMENT
4208
6350-01-596-3188INTERCHANGEABLE
EXPANSION MODULE,ZONE,CONTROL-CO
4208

Frequently Asked Questions

What is NSN 5985-01-097-2044?

NSN 5985-01-097-2044 is a Attenuator,fixed, manufactured by Smiths Interconnect Americas, Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-097-2044?

NSN 5985-01-097-2044 has 2 cross-referenced part numbers: 4408 (Smiths Interconnect Americas, Inc.), 4208 (Smiths Interconnect Americas, Inc.).

What NSN replaces 5985-01-097-2044?

There are 12 known substitutes for 5985-01-097-2044: 6240-00-155-8706, 4730-00-174-4579, 4730-00-278-8764 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4208?

Key specifications for 4208: Precious Material: GOLD; Overall Length: 0.750 INCHES MAXIMUM IN; Connection Type Per Function: FEMALE INPUT AND MALE OUTPUT; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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