PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5399651-7Attenuator,fixed

Naval Sea Systems Command · NSN 5985-01-110-3389 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-110-3389 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-110-3389. Primary manufacturer part number: 5399651-7.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Output Impedance Rating in Ohms: 50.0
  • Power Rating: 2.0 WATTS AVERAGE
  • Terminal Type and Quantity: 2 CONNECTOR
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Input Impedance Rating in Ohms: 50.0
  • Attenuation Accuracy Reference Frequency: 12.4 GIGAHERTZ
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-110-3389, 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 Naval Sea Systems Command. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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
NSN5985-01-110-3389
Primary Part Number5399651-7
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Application DesignTRANSMISSION LINE
Output Impedance Rating in Ohms50.0
Power Rating2.0 WATTS AVERAGE
Terminal Type and Quantity2 CONNECTOR
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Input Impedance Rating in Ohms50.0
Attenuation Accuracy Reference Frequency12.4 GIGAHERTZ
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Voltage Standing Wave Ratio1.07
Attenuation Accuracy in Decibels-0.50 TO 0.50
Mounting MethodCONNECTOR
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Rf Signal Attenuation in Decibels9.0
Coaxial Connector Series DesignationSMA
Frequency Range0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Operating Temp Range-65.0 TO 125.0 CELSIUS DEGC
Voltage Standing Wave Ratio Frequency Range+0.0 TO 12.4 GIGAHERTZ
Overall Diameter0.280 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1430-00-078-93432949 INTERCHANGEABLE
Delay Line,multiple
Chase Corporation Dba Fluid Polymers Div Humiseal Division
5120-00-167-0107 INTERCHANGEABLE
Wrench,impeller Fro
4520-00-232-48772919 INTERCHANGEABLE
Heating Element,electrical,nonim
Goodrich Corporation
5985-00-243-285222982B-20 INTERCHANGEABLE
Attenuator,fixed
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
2940-00-407-940842919 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
4920-00-428-63612949 INTERCHANGEABLE
Bar,blade Position
Marvel Manufacturing Co Div the Marvel Manufacturing Company
2530-00-728-73365465549 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
General Motors Llc Dba General Motors Llc
2940-00-795-1783052865-02 INTERCHANGEABLE
Filter Body,fluid
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
3020-00-842-8347 INTERCHANGEABLE
Gear,spur
5330-00-900-2308 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
2082-4124-09 Cobham Advanced Electronic Solutions Inc. (USA)
1202574-7 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
291-9 Cinch Connectivity Solutions Inc (USA)
294-9 Cinch Connectivity Solutions Inc (USA)
1202574-7 Lockheed Martin Corporation Div Rms (USA)
5399651-7 PRIMARY Naval Sea Systems Command (USA)
Related Parts
1430-00-078-9343INTERCHANGEABLE
DELAY LINE,MULTIPLE
2949
5120-00-167-0107INTERCHANGEABLE
WRENCH,IMPELLER FRO
4520-00-232-4877INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
2919
5985-00-243-2852INTERCHANGEABLE
ATTENUATOR,FIXED
22982B-20
2940-00-407-9408INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42919
4920-00-428-6361INTERCHANGEABLE
BAR,BLADE POSITION
2949
2530-00-728-7336INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5465549
2940-00-795-1783INTERCHANGEABLE
FILTER BODY,FLUID
052865-02
3020-00-842-8347INTERCHANGEABLE
GEAR,SPUR
5330-00-900-2308INTERCHANGEABLE
GASKET
4820-00-969-2370INTERCHANGEABLE
SEAT,VALVE
2919
3010-01-032-5971INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
120-2-190

Frequently Asked Questions

What is NSN 5985-01-110-3389?

NSN 5985-01-110-3389 is a Attenuator,fixed, manufactured by Naval Sea Systems Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-110-3389?

NSN 5985-01-110-3389 has 6 cross-referenced part numbers: 2082-4124-09 (Cobham Advanced Electronic Solutions Inc.), 1202574-7 (Lockheed Martin Corporation Div Rms - Mitchel Field), 291-9 (Cinch Connectivity Solutions Inc), 294-9 (Cinch Connectivity Solutions Inc), 1202574-7 (Lockheed Martin Corporation Div Rms) and 1 more.

What NSN replaces 5985-01-110-3389?

There are 12 known substitutes for 5985-01-110-3389: 1430-00-078-9343, 5120-00-167-0107, 4520-00-232-4877 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5399651-7?

Key specifications for 5399651-7: Application Design: TRANSMISSION LINE; Output Impedance Rating in Ohms: 50.0; Power Rating: 2.0 WATTS AVERAGE; Terminal Type and Quantity: 2 CONNECTOR. 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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