PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ATT-0290-20-SMA-02Attenuator,fixed

Cinch Connectivity Solutions Inc · NSN 5985-01-436-2218 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-436-2218 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-436-2218. Primary manufacturer part number: ATT-0290-20-SMA-02.
Features
  • Attenuator,fixed — FSC 5985
  • Operating Temp Range: -65.0 TO 125.0 CELSIUS DEGC
  • Rf Signal Attenuation in Decibels: 20.0
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Coaxial Connector Series Designation: SMA
  • Attenuation Accuracy in Decibels: -0.50 TO 0.50
  • Power Rating: 2.0 WATTS AVERAGE
  • Voltage Standing Wave Ratio: 1.07
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-436-2218, 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 Cinch Connectivity Solutions Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-436-2218
Primary Part NumberATT-0290-20-SMA-02
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCinch Connectivity Solutions Inc
StatusACTIVE
Operating Temp Range-65.0 TO 125.0 CELSIUS DEGC
Rf Signal Attenuation in Decibels20.0
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Coaxial Connector Series DesignationSMA
Attenuation Accuracy in Decibels-0.50 TO 0.50
Power Rating2.0 WATTS AVERAGE
Voltage Standing Wave Ratio1.07
Frequency Range0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Surface TreatmentPASSIVATE BODY
MaterialSTEEL CORROSION RESISTING BODY
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5985-01-009-6437290-20 INTERCHANGEABLE
Attenuator,fixed
Cinch Connectivity Solutions Inc
Cross-Reference Index
Part NumberManufacturer
ATT-0290-20-SMA-02 PRIMARY Cinch Connectivity Solutions Inc (USA)
Related Parts
5985-01-009-6437INTERCHANGEABLE
ATTENUATOR,FIXED
290-20

Frequently Asked Questions

What is NSN 5985-01-436-2218?

NSN 5985-01-436-2218 is a Attenuator,fixed, manufactured by Cinch Connectivity Solutions Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-436-2218?

NSN 5985-01-436-2218 has 1 cross-referenced part number: ATT-0290-20-SMA-02 (Cinch Connectivity Solutions Inc).

What NSN replaces 5985-01-436-2218?

There is 1 known substitute for 5985-01-436-2218: 5985-01-009-6437. Verify interchangeability with system specifications before substitution.

What are the specifications of ATT-0290-20-SMA-02?

Key specifications for ATT-0290-20-SMA-02: Operating Temp Range: -65.0 TO 125.0 CELSIUS DEGC; Rf Signal Attenuation in Decibels: 20.0; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Coaxial Connector Series Designation: SMA. 12 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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