PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

357299-10Attenuator,fixed

L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products · NSN 5985-01-293-3323 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-293-3323 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-293-3323. Primary manufacturer part number: 357299-10.
Features
  • Attenuator,fixed — FSC 5985
  • Rf Signal Attenuation in Decibels: 5.0
  • Coaxial Connector Series Designation: SMA
  • Connection Type Per Function: FEMALE INPUT AND FEMALE OUTPUT
  • Voltage Standing Wave Ratio: 1.15 AND 1.30
  • Output Impedance Rating in Ohms: 50.0
  • Attenuation Accuracy in Decibels: -0.30 TO 0.30
  • Overall Diameter: 0.360 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-293-3323, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-293-3323
Primary Part Number357299-10
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
StatusACTIVE
Rf Signal Attenuation in Decibels5.0
Coaxial Connector Series DesignationSMA
Connection Type Per FunctionFEMALE INPUT AND FEMALE OUTPUT
Voltage Standing Wave Ratio1.15 AND 1.30
Output Impedance Rating in Ohms50.0
Attenuation Accuracy in Decibels-0.30 TO 0.30
Overall Diameter0.360 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Operating Temp Range-40.0 TO 95.0 CELSIUS DEGC
Voltage Standing Wave Ratio Frequency Range+0.0 TO 12.4 GIGAHERTZ
Frequency Range0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Power Rating2.0 WATTS AVERAGE
Input Impedance Rating in Ohms50.0
FSC Application DataTRANMISSION LINES
Mounting MethodCONNECTOR
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Terminal Type and Quantity2 CONNECTOR
MaterialSTEEL CORROSION RESISTING BODY
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
7530-00-234-207712B5 INTERCHANGEABLE
Chart,recording Instrument
Palmer Instruments Inc. Dba Palmer Instruments Inc
5985-00-402-1615 INTERCHANGEABLE
Attenuator,fixed
2990-00-953-498375222 INTERCHANGEABLE
Lever Assembly,power-Speed Contr
Triumph Engine Control Systems Llc
5985-01-032-4193217-0036-010 INTERCHANGEABLE
Attenuator,fixed
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5985-01-091-9614800074-1 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company Dba Raytheon
5985-01-091-96152144109-1 INTERCHANGEABLE
Attenuator,fixed
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5120-01-398-921100947785000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
401-0130 Spectrum Control, Inc. (USA)
A750CS Caes Systems Llc (USA)
2082-4245-05 M/a-Com Inc (USA)
5972259 Naval Sea Systems Command (USA)
2082-4245-05 Cobham Advanced Electronic Solutions Inc. (USA)
357299-10 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
12B-5 Spectrum Control, Inc. (USA)
4778-5 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
2082-4245-05 Xma Corporation (USA)
Related Parts
7530-00-234-2077INTERCHANGEABLE
CHART,RECORDING INSTRUMENT
12B5
5985-00-402-1615INTERCHANGEABLE
ATTENUATOR,FIXED
2990-00-953-4983INTERCHANGEABLE
LEVER ASSEMBLY,POWER-SPEED CONTR
75222
5985-01-032-4193INTERCHANGEABLE
ATTENUATOR,FIXED
217-0036-010
5985-01-091-9614INTERCHANGEABLE
ATTENUATOR,FIXED
800074-1
5985-01-091-9615INTERCHANGEABLE
ATTENUATOR,FIXED
2144109-1
5120-01-398-9211INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00947785000

Frequently Asked Questions

What is NSN 5985-01-293-3323?

NSN 5985-01-293-3323 is a Attenuator,fixed, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-293-3323?

NSN 5985-01-293-3323 has 9 cross-referenced part numbers: 401-0130 (Spectrum Control, Inc.), A750CS (Caes Systems Llc), 2082-4245-05 (M/a-Com Inc), 5972259 (Naval Sea Systems Command), 2082-4245-05 (Cobham Advanced Electronic Solutions Inc.) and 4 more.

What NSN replaces 5985-01-293-3323?

There are 7 known substitutes for 5985-01-293-3323: 7530-00-234-2077, 5985-00-402-1615, 2990-00-953-4983 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 357299-10?

Key specifications for 357299-10: Rf Signal Attenuation in Decibels: 5.0; Coaxial Connector Series Designation: SMA; Connection Type Per Function: FEMALE INPUT AND FEMALE OUTPUT; Voltage Standing Wave Ratio: 1.15 AND 1.30. 19 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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