PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA-10BAttenuator,fixed

Microlab/fxr Llc · NSN 5985-01-089-3229 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-089-3229 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-089-3229. Primary manufacturer part number: AA-10B.
Features
  • Attenuator,fixed — FSC 5985
  • Frequency Sensitivity Attenuation in Decibels: 0.80
  • Voltage Standing Wave Ratio: 1.25
  • Coaxial Connector Series Designation: BNC
  • Input Impedance Rating in Ohms: 50.0
  • Material: STEEL CORROSION RESISTING BODY
  • Attenuation Accuracy Reference Frequency: 2.0 GIGAHERTZ
  • Attenuation Accuracy in Decibels: -1.00 TO 1.00
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-089-3229, 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 Microlab/fxr Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-089-3229
Primary Part NumberAA-10B
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMicrolab/fxr Llc
StatusACTIVE
Frequency Sensitivity Attenuation in Decibels0.80
Voltage Standing Wave Ratio1.25
Coaxial Connector Series DesignationBNC
Input Impedance Rating in Ohms50.0
MaterialSTEEL CORROSION RESISTING BODY
Attenuation Accuracy Reference Frequency2.0 GIGAHERTZ
Attenuation Accuracy in Decibels-1.00 TO 1.00
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Rf Signal Attenuation in Decibels10.0
Overall Diameter0.580 INCHES NOMINAL IN
Temperature Sensitivity Attenuation in Decibels0.0001
Output Impedance Rating in Ohms50.0
Power Rating2.0 WATTS PEAK
Terminal Type and Quantity2 CONNECTOR
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5985-00-802-7359AA10B INTERCHANGEABLE
Attenuator,fixed
Microlab/fxr Llc
4810-01-144-40235004283 INTERCHANGEABLE
Seat,valve
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
234502-0010 Leonardo Us Cyber and Security Solutions, Llc (USA)
FP-50-10 Trilithic, Inc. (USA)
AA-10B PRIMARY Microlab/fxr Llc (USA)
500428-3 L3harris Technologies, Inc. Dba Harris Corporation (USA)
Related Parts
5985-00-802-7359INTERCHANGEABLE
ATTENUATOR,FIXED
AA10B
4810-01-144-4023INTERCHANGEABLE
SEAT,VALVE
5004283

Frequently Asked Questions

What is NSN 5985-01-089-3229?

NSN 5985-01-089-3229 is a Attenuator,fixed, manufactured by Microlab/fxr Llc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-089-3229?

NSN 5985-01-089-3229 has 4 cross-referenced part numbers: 234502-0010 (Leonardo Us Cyber and Security Solutions, Llc), FP-50-10 (Trilithic, Inc.), AA-10B (Microlab/fxr Llc), 500428-3 (L3harris Technologies, Inc. Dba Harris Corporation).

What NSN replaces 5985-01-089-3229?

There are 2 known substitutes for 5985-01-089-3229: 5985-00-802-7359, 4810-01-144-4023. Verify interchangeability with system specifications before substitution.

What are the specifications of AA-10B?

Key specifications for AA-10B: Frequency Sensitivity Attenuation in Decibels: 0.80; Voltage Standing Wave Ratio: 1.25; Coaxial Connector Series Designation: BNC; Input Impedance Rating in Ohms: 50.0. 17 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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