PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2913939-2Attenuator,fixed

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-00-404-5539 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-404-5539 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-404-5539. Primary manufacturer part number: 2913939-2.
Features
  • Attenuator,fixed — FSC 5985
  • Surface Treatment: GOLD TERMINAL
  • Surface Treatment: PASSIVATE BODY
  • Precious Material and Location: TERMINALS GOLD
  • Material: STEEL CORROSION RESISTING BODY
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Material: BERYLLIUM COPPER (USE CUB000) TERMINAL
  • Application Design: TRANSMISSION LINE
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-404-5539, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN5985-00-404-5539
Primary Part Number2913939-2
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Surface TreatmentGOLD TERMINAL
Surface TreatmentPASSIVATE BODY
Precious Material and LocationTERMINALS GOLD
MaterialSTEEL CORROSION RESISTING BODY
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
MaterialBERYLLIUM COPPER (USE CUB000) TERMINAL
Application DesignTRANSMISSION LINE
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Overall Diameter0.312 INCHES NOMINAL IN
Mounting MethodCONNECTOR
Voltage Standing Wave Ratio1.15 AND 1.25 AND 1.50 AND 1.80
Power Rating2.0 WATTS AVERAGE
Input Impedance Rating in Ohms50.0
Output Impedance Rating in Ohms50.0
Coaxial Connector Series DesignationSMA
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ AND +4.1 TO 12.0 GIGAHERTZ AND +12.1 TO 15.0 GIGAHERTZ AND +15.1 TO 18.0 GIGAHERTZ
Terminal Type and Quantity2 CONNECTOR
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Rf Signal Attenuation in Decibels3.0
Precious MaterialGOLD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-116-3106 INTERCHANGEABLE
Die,crimping Tool
5120-00-133-0534 INTERCHANGEABLE
Die,crimping Tool
5340-00-246-3405 INTERCHANGEABLE
Clip,retaining
5325-00-275-59061259 INTERCHANGEABLE
Grommet,nonmetallic
Atlantic India Rubber Co Inc
5315-00-291-2588 INTERCHANGEABLE
Pin,straight,headed
5905-00-295-3574 INTERCHANGEABLE
Resistor,adjustable
5120-00-409-52254403 INTERCHANGEABLE
Die,crimping Tool
Abb Installation Products Inc
6760-00-434-3491 INTERCHANGEABLE
Head,camera,photographic
6515-00-489-5556 INTERCHANGEABLE
Surgical Pack,disposable
5940-00-604-7690BW440-3S INTERCHANGEABLE
Terminal
Bergen Cable Technology, Inc.
Cross-Reference Index
Part NumberManufacturer
2913939-2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MDC8065-3 Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA)
5985PL0981739 Jednolity Indeks Materialowy - Uniform Material Index (POL)
84500 20119 Thales Deutschland Gmbh Div Customer Services (DEU)
444-3 Cinch Connectivity Solutions Inc (USA)
553364 Thales Six Gts France SAS (FRA)
4403 Smiths Interconnect Americas, Inc. (USA)
Related Parts
5120-00-116-3106INTERCHANGEABLE
DIE,CRIMPING TOOL
5120-00-133-0534INTERCHANGEABLE
DIE,CRIMPING TOOL
5340-00-246-3405INTERCHANGEABLE
CLIP,RETAINING
5325-00-275-5906INTERCHANGEABLE
GROMMET,NONMETALLIC
1259
5315-00-291-2588INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5905-00-295-3574INTERCHANGEABLE
RESISTOR,ADJUSTABLE
5120-00-409-5225INTERCHANGEABLE
DIE,CRIMPING TOOL
4403
6760-00-434-3491INTERCHANGEABLE
HEAD,CAMERA,PHOTOGRAPHIC
6515-00-489-5556INTERCHANGEABLE
SURGICAL PACK,DISPOSABLE
5940-00-604-7690INTERCHANGEABLE
TERMINAL
BW440-3S
5930-00-932-9608INTERCHANGEABLE
SWITCH,PUSH
4403
5940-00-983-6044INTERCHANGEABLE
TERMINAL BOARD

Frequently Asked Questions

What is NSN 5985-00-404-5539?

NSN 5985-00-404-5539 is a Attenuator,fixed, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-404-5539?

NSN 5985-00-404-5539 has 7 cross-referenced part numbers: 2913939-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MDC8065-3 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc), 5985PL0981739 (Jednolity Indeks Materialowy - Uniform Material Index), 84500 20119 (Thales Deutschland Gmbh Div Customer Services), 444-3 (Cinch Connectivity Solutions Inc) and 2 more.

What NSN replaces 5985-00-404-5539?

There are 12 known substitutes for 5985-00-404-5539: 5120-00-116-3106, 5120-00-133-0534, 5340-00-246-3405 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2913939-2?

Key specifications for 2913939-2: Surface Treatment: GOLD TERMINAL; Surface Treatment: PASSIVATE BODY; Precious Material and Location: TERMINALS GOLD; Material: STEEL CORROSION RESISTING BODY. 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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