PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G300009S2Attenuator,fixed

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5985-01-028-0357 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-028-0357 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-028-0357. Primary manufacturer part number: G300009S2.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINETRANSMISSION LINE
  • Attenuation Accuracy Reference Frequency: 2.0 GIGAHERTZ2.0 GIGAHERTZ
  • Overall Diameter: 0.625 INCHES MAXIMUM0.625 INCHES MAXIMUM IN
  • Rf Signal Attenuation in Decibels: 1.01.0
  • Mounting Method: CONNECTORCONNECTOR
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-028-0357, 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 Div Space & Airborne Systems. Government technical data includes 22 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-028-0357
Primary Part NumberG300009S2
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Application DesignTRANSMISSION LINETRANSMISSION LINE
Attenuation Accuracy Reference Frequency2.0 GIGAHERTZ2.0 GIGAHERTZ
Overall Diameter0.625 INCHES MAXIMUM0.625 INCHES MAXIMUM IN
Rf Signal Attenuation in Decibels1.01.0
Mounting MethodCONNECTORCONNECTOR
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Unpackaged Unit Weight2.500 OUNCES2.500 OUNCES OZ
Operating Temp Range-55.0 TO 125.0 CELSIUS-55.0 TO 125.0 CELSIUS DEGC
Terminal Type and Quantity2 CONNECTOR2 CONNECTOR
Voltage Standing Wave Ratio1.201.20
Frequency Range0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM2.000 GIGAHERTZ MAXIMUM
Voltage Standing Wave Ratio Frequency Range+0.0 TO 2.0 GIGAHERTZ+0.0 TO 2.0 GIGAHERTZ
Connection Type Per FunctionFEMALE INPUT AND FEMALE INPUT AND MALE OUTPUTMALE OUTPUT
Attenuation Accuracy in Decibels-0.30 TO 0.30-0.30 TO 0.30
Input Impedance Rating in Ohms50.050.0
Output Impedance Rating in Ohms50.050.0
Surface TreatmentSILVER BODY
Power Rating2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 3.0 KILOWATTS PEAK3.0 KILOWATTS PEAK
Precious MaterialSILVERSILVER
Precious Material and LocationBODY SURFACES SILVERBODY SURFACES SILVER
Coaxial Connector Series DesignationBNCBNC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5960-00-060-6584 INTERCHANGEABLE
Electron Tube
5935-00-072-81717551 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5340-00-331-83867551 INTERCHANGEABLE
Standoff,threaded,spacing
Te Connectivity Corporation
6640-00-533-8634357551(50PK) INTERCHANGEABLE
Pipet,serological
Corning Inc Dba Corning Incorporated Div Specialty Materials
5960-00-990-1508 INTERCHANGEABLE
Electron Tube
5930-01-006-847359T4000 INTERCHANGEABLE
Switch,thermostatic
Therm-O-Disc Incorporated
5940-01-389-057275-51 INTERCHANGEABLE
Contact Strip,radio Frequency Gr
Tech-Etch, Inc. Dba Tech-Etch Inc
Cross-Reference Index
Part NumberManufacturer
G300009S2 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
755-1 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
AA-E15 Microlab/fxr Llc (USA)
A401B Caes Systems Llc (USA)
Related Parts
5960-00-060-6584INTERCHANGEABLE
ELECTRON TUBE
5935-00-072-8171INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7551
5340-00-331-8386INTERCHANGEABLE
STANDOFF,THREADED,SPACING
7551
6640-00-533-8634INTERCHANGEABLE
PIPET,SEROLOGICAL
357551(50PK)
5960-00-990-1508INTERCHANGEABLE
ELECTRON TUBE
5930-01-006-8473INTERCHANGEABLE
SWITCH,THERMOSTATIC
59T4000
5940-01-389-0572INTERCHANGEABLE
CONTACT STRIP,RADIO FREQUENCY GR
75-51

Frequently Asked Questions

What is NSN 5985-01-028-0357?

NSN 5985-01-028-0357 is a Attenuator,fixed, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-028-0357?

NSN 5985-01-028-0357 has 4 cross-referenced part numbers: G300009S2 (L3harris Technologies, Inc Div Space & Airborne Systems), 755-1 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), AA-E15 (Microlab/fxr Llc), A401B (Caes Systems Llc).

What NSN replaces 5985-01-028-0357?

There are 7 known substitutes for 5985-01-028-0357: 5960-00-060-6584, 5935-00-072-8171, 5340-00-331-8386 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G300009S2?

Key specifications for G300009S2: Application Design: TRANSMISSION LINETRANSMISSION LINE; Attenuation Accuracy Reference Frequency: 2.0 GIGAHERTZ2.0 GIGAHERTZ; Overall Diameter: 0.625 INCHES MAXIMUM0.625 INCHES MAXIMUM IN; Overall Length: 2.300 INCHES MAXIMUM2.300 INCHES MAXIMUM IN. 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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